Have a question? My team and I are happy to hear your questions and get you answers! When you type a question, it shows up not only on that experiment but also here so you can easily find your answer. You'll find question boxes at the bottom of every experiment in the program.

Question: from delois about the Lava Lamp experiment :

Thank You!

Question: from delois about the Simple Hovercraft experiment :

Do I have to use a sports Waterbolttle top?

Question: from christina_andrist about the Anemometer experiment :

were is the student worksheet

Answer:  Moon Sand

You are so very welcome!

Answer:  Special Science Teleclass: Geology

In the material list, find the link that says "Worksheet printout" above the video.

Answer:  Solar Cookies

Yes, sorry about that. I am re-uploading it now.

Answer:  Salt & Vinegar Crystals

Yes - I would try the ones you have side by side, and compare the results!

Question: from wjhofmans about the Moon Sand experiment :

Super neat stuff!!! Thank you, Mrs. Aurora!

Question: from christina_andrist about the Special Science Teleclass: Geology experiment :

how do I find the work sheet

Question: from christeneschaaf about the Solar Cookies experiment :

i can't hear the sound on renewable and alternative energy part 1 can you fix it? thank you

Question: from wjhofmans about the Salt & Vinegar Crystals experiment :

Will rock salt work? You said non-iodized salt works "better", will Himalayan salt work?

Question: from ckroth about the Measuring Chemicals and Converting Units experiment :

I am signed in and still cannot see the video.

Question: from gulnora12 about the Galvanometers experiment :

What if you have iron ore and smelt it so it is 100% iron and you shape it into a torch and you put a light bulb onto it, will it be on as long as you shake it?

Answer:  Special Science Teleclass: Solar Astronomy

Do you see where it say "Print out this worksheet" ? That's the link you click on. It's right above the video.

Question: from jkurtz80 about the Special Science Teleclass: Solar Astronomy experiment :

Where is the worksheet?

Answer:  Whackapow!

There's a how-to video - Go to this page: https://www.sciencelearningspace2.com/science-with-aurora/ and look at the 2nd video down (under "Data Table") This video outlines how to create your own data table. For this experiment, I might change the drop height to see if it changes the pattern made in the flour... just one idea.

Answer:  Lava Lamp

Do you mean, food dye, like food coloring? Yes, you'll find it will mix with some things but not others!

Question: from delois about the Lava Lamp experiment :

Can we use food diy?

Question: from delois about the Mental Mathemagic experiment :

Wow.Amazing!My brother got the dvd for x-mas.

Question: from spblomstrom about the Whackapow! experiment :

Hi how should we journal this

Answer:  Measuring Chemicals and Converting Units

You need to be logged in first - the video is right above the questions box.

Question: from ckroth about the Measuring Chemicals and Converting Units experiment :

There's no video posted here.

Answer:  Part 5: Botany 1

Nocturnal plants bloom (open their petals) at night. But, as with all plants, their leaves are always "out in the open". Plants photosynthesize using the chlorophyll in their leaves, so they are able to make food anytime sunlight hits them.

Question: from bethany_culbertson about the Turning Water into Ink experiment :

I couldn't find the Sodium Ferrocyanide anywhere in stock, but found that online Potassium Ferrocyanide can be used interchangeably. Is this true for this project? Thank you!

Answer:  Thermometer

Thanks for asking! Not every experiment has a worksheet with it - there are nearly 700 worksheets on the website, and we're still creating the rest. In the meantime, watch the second video down on this page to see how you can create your own (highly recommended... you'll see why): https://www.sciencelearningspace2.com/science-with-aurora/

Question: from christina_andrist about the Thermometer experiment :

were is the student work sheet

Question: from angelamdantonio about the Part 5: Botany 1 experiment :

If plants need sunlight to make their food how do nocturnal plants photosynthesize?

Question: from nwindhauser about the A Weighty Issue experiment :

I tested this with a golf ball and ping pong ball with a 240fps slomo camera and we dropped the balls from 2 stories (25ft) and the golf ball hit the ground about 0.15 seconds faster

Question: from delpozolisa about the Amazing Octopi experiment :

Hi . This is AJ I love your videos and you Aurora This was amazing didn’t know so smart,

Answer:  Chemistry review

Yes this is the review before we really start in on the high school content. Notice the first line in the video is... "Let's review really quick..." it's more like a "let's make sure you know this before we move on" rather than "let's review what you've learned".

Answer:  Unit 10: Electricity (Robotics) Video

Yes look in Unit 10 Module 2...

Question: from ckroth about the Chemistry review experiment :

Is there supposed to be a video for Chemistry Review?

Question: from Skye about the Unit 10: Electricity (Robotics) Video experiment :

Is this the section where ROBOTICS, is?.... Thought I saw entire section on, but we can not find. Thanks, Dana( Skye’s mom :))

Answer:  Laser Microscope

Oh no! You're right - the wrong one was inserted here. I'll get the right one up for you right away. Thanks for catching that - we've been replacing all the videos with new video players, so thanks for your eagle eye!

Question: from ksoh about the Laser Microscope experiment :

Is the current video correct? Because it shows nothing about a laser but it just shows the magnifying glass microscope.

Question: from shawna_foxsackett about the Balloon Racers experiment :

Debbie Aslinger I noticed that my balloon wouldn't work either, you need a balloon with a smaller opening.

Answer:  Special Science Teleclass: Renewable & Alternative Energy

It's in unit 12 module 2: https://www.sciencelearningspace2.com/2010/05/stirling-engine/

Question: from Shayaan about the Special Science Teleclass: Renewable & Alternative Energy experiment :

I can not find the sterling engine project. I would really like to do that experiment. Is it possible if you add the link in your response. Also I learnt that by turning a moter you can make a light bulb glow. Instead of having a LED on the other side of the moter can I use a rechargeable battery. That way if my power goes out I can put a propeller on the moter and put out side to charge a battery for flashlight.

Answer:  Ammonia Experiments

Yes, for our purposes these are one in the same.

Answer:  Part 3: Entomology

Regarding astronomy VS astrology: Astronomy is the branch of science that has to do with space and the physical interactions of objects in space. Astrology has to do with a belief that the movements and positions of celestial bodies have an influence over human affairs and the natural world. In ancient times, astronomy and astrology were all mixed together. But, in modern times, when talking about science, we use the term astronomy. Regarding your question about becoming an astronaut: One of the main requirements is the pursuit of studies in the fields of "science, technology, engineering or math". Astronaut candidates must be well on their way to earning a Ph.D. in one of those fields. Alternatively, they must have a doctorate of medicine or doctorate of osteopathic medicine. This page has more details on the requirements: https://www.nasa.gov/feature/frequently-asked-questions-0/

Question: from bethany_culbertson about the Ammonia Experiments experiment :

I'm sorry to bother you again, but I just realized you said below that I could use sodium bisulfate instead of sodium hydrogen sulfate, but you linked me to Sodium bisulfite. Was that purposeful? I just don't want to use the wrong chemical. Thank you!

Question: from youngsurrender about the Part 3: Entomology experiment :

Woops! I meant to put that under the "Classification" video. Sorry!

Question: from youngsurrender about the Part 3: Entomology experiment :

I wasn't sure where to put this question: in astronomy or biology. I'm more interested in astronomy, but I know if you're going to be an astronaut, you would have to study things like biology, engineering, chemistry, robotics, astrology, and other scientific fields. So I'm not exactly sure where to start. (By the way, I'm in 9th grade). There are lots of different people on the ISS; some of them study the behaviors of insects, while someone else may work on operating the arms that astronauts are attached to when they leave the ship for repairs. That covers biology chemistry, and robotics. Maybe more! And then there might be people on Earth who are designing and engineering rovers that can do more, or spaceships with fuel that could have a longer endurance. That could include aeronautics, physics, and electronics. These are all things I enjoy learning and studying, but I wonder if I should study something specifically. Because everyone is needed when it comes to astronomy or astrology; I don't quite know the difference between the two. Could you give me any recommendations? Thanks, Sasha

Answer:  Definition and nature of acids and bases

Yes, you'll learn about the pH scale, how strong acids are (how much they break apart in solution), and how corrosive they are (not the same as "strength"). Keep watching the videos and it will all make sense!

Answer:  Molarity And Preparation Of Solutions

No, not really. it's going to depend on how much water you add to the pitcher and also how much your cabbage holds onto before extracting it.

Question: from youngsurrender about the Definition and nature of acids and bases experiment :

Can you only compare acids that are the same to say whether one is more acidic? For example "This lactid acid is more acidic than this one", or," This molic acid is more acidic than this molic acid". Or could you compare lactid to molic acid? Or any other acid.

Question: from youngsurrender about the Molarity And Preparation Of Solutions experiment :

Do you have to know how many moles are the basic solution (cabbage juice) to know how concentrated the firsts solution (the base) will be? Sorry if that sounded confusing. I just started this chemistry section. Thanks!

Answer:  Volcanoes

This is one of the very few that doesn't have a video, only written instructions. I have this one on my video recording list, so I will post a video as soon as I finish editing it.

Answer:  Chemical Fingerprinting

Oh, no! That doesn't sound right. I'll have Tonya reach out and make sure your account is set up correctly. And yes, you should have access to all of it!

Question: from badelaware about the Chemical Fingerprinting experiment :

We just bought the Master Diamond (?) science experiments and got the 5 years of free curriculum with it. Now we can no longer access the Human Anatomy and Biology course. Is this course still available to us? How do we access it? I may have misunderstood what we were getting when we made that purchase. Help! :)

Question: from suzanne_mangeri about the Volcanoes experiment :

i cant see the video!

Answer:  Special Science Teleclass: Physics of Motion

The lesson is more of a "getting started with this topic" more than an actual experiment. Watch it, and then go to the next lesson and start your experiments!

Answer:  Water Cycle Column: Is Rain Pure?

So glad you enjoyed the webinar! And I've sent you a private email!

Answer:  Electroplating

We're going to talk about it today in our class - you can put the copper ions in the solution by placing two copper pieces in a solution and connecting them to a battery and leaving it for about 20 minutes, until it's a blue-green color.

Question: from shancherie about the Water Cycle Column: Is Rain Pure? experiment :

Same question: I am looking for the lesson to go with the labs. The webinar today was perfect - something engaging to watch interspersed with practical applications. My daughter loved it!

Question: from maplevalleyacademy about the Electroplating experiment :

What can i use instead of copper sulfate?

Question: from youngsurrender about the General Relativity: Gravitational Waves experiment :

Wow! That is awesome! Thanks Mrs. Aurora. I'm excited to check out the astronomycast website.

Answer:  Time Dilation and Length Contraction

All of us are moving forward in time. The issue is that time passes at different rates based on the particular point of view. But you can never become younger.

Answer:  General Relativity: Gravitational Waves

Yes indeed! Black holes spin. Remember that black holes started out as a stars. Our star (the sun) and all other stars rotate. However, they rotate at different rates. Not only do black holes rotate, but objects also rotate around them. Object spiral around black holes as they fall to their destruction. Also, it is still possible for objects to orbit black holes. We do indeed detect black holes by their effect on matter that both falls into them and by the matter circling around them.

Answer:  Time Travel using Relativity

To answer this question, we have to consider the term "relative". That word tells us that we are comparing at least two things. It isn't enough for us to say that we are moving faster through time. Instead, we can only say we're moving faster relative (as compared) to another observer. Time itself doesn't have speed. Rather, time is the measurement of one moment to the next. So, time doesn't affect the way we move and function. Instead, time allows us to assess how we have been changed.

Answer:  Family Pedigree

Oops, you are correct! I've been updating the website and this is the wrong experiment for this grade level. Thanks for letting me know and I'll get that fixed right away!

Question: from bethany_culbertson about the Ammonia Experiments experiment :

Thank you so much! I thought I looked on that site but must have misspelled it or something. I appreciate you answering me!

Question: from sasha7783 about the Family Pedigree experiment :

This video seems a bit advanced for a second grader. Is this on grade level or advance?

Answer:  Bubble Experiments

Yes - it works fine!

Question: from andrea_mast about the Bubble Experiments experiment :

Can you use blue dawn?

Answer:  General Relativity: Gravitational Waves

Yes you can learn more here: https://en.wikipedia.org/wiki/Rotating_black_hole Also, have you listened to any of the Astronomy Cast shows? http://www.astronomycast.com/

Question: from youngsurrender about the Jupiter’s Jolts experiment :

Ok. Thank you Mrs. Aurora!

Question: from youngsurrender about the General Relativity: Gravitational Waves experiment :

Wait, black holes SPIN??? I though they just sat in space waiting for something to fall into it. Can you find a black hole if something is spinning around it, and is that why things being pulled towards it spiral in? Thanks, Sasha

Question: from youngsurrender about the Time Travel using Relativity experiment :

So if you're moving really fast, you're not moving faster through time, you're actually moving slower through time. Right? Does time have a speed, or is it another element that changes the way things move and function?

Question: from navyjane86 about the Water Cycle Column: Is Rain Pure? experiment :

I actually have the same question. If you could email me as well :)

Question: from emilyannejon about the Stirling Engine experiment :

Super cool video. i only watched bits though because its super long. Didn't have any problems though! Thanks! Matilda

Question: from emilyannejon about the Hero Engine experiment :

The Dollar Tree

Question: from emilyannejon about the Peanut Energy experiment :

I was waiting for the wooden clip to catch fire too! :D

Answer:  Solar Drinking Bird

You can draw on him, no problem! He'd probably like it!

Question: from emilyannejon about the Solar Drinking Bird experiment :

For an actual question, Will it affect the bird if I draw eyes or something on it? I couldn't glue the hat back on though, right? It would block the sun wouldn't it? Thanks, and sorry! M

Question: from emilyannejon about the Solar Drinking Bird experiment :

I found one at Hobby Lobby -Matilda

Question: from emilyannejon about the Soaking Up Rays experiment :

If it's a sunny winter day will it still work? Or does it need to be hotter? Thank, Matilda!

Question: from emilyannejon about the Convection Currents experiment :

1:57 It kind of looks like some sort of (dirty) aquarium... lol

Question: from florencem about the First, Second, and Third Class Levers experiment :

I'm trying to access seventh grade classes and our membership should by up to twelfth grade. If these classes aren't for seventh grade, why are they here?

Question: from tatyana_shaitanoff about the Sensing Temperature experiment :

Is there supposed to be a video lesson? We can’t find it for this topic. Thank you.

Question: from emilyannejon about the Newton's Third Law of Motion experiment :

I can see the fishing line in the first video :) Matilda

Answer:  Electrolysis

You can use a 9V, two AA's or a D-cell.

Question: from violetgordon about the Electrolysis experiment :

Can we make a 9V battery terminal or can we use a D or two AA battery.

Question: from youngsurrender about the Time Dilation and Length Contraction experiment :

You'll never be the same age again?! What if you went forward in time? Would it be too complicated to be the same age again, or does it not matter when you leave? -Sasha

Question: from jymckay about the Laundry Soap Crystals experiment :

thanks for the ecspheramant borax is so cool (:

Question: from winyhary about the Special Science Teleclass: Physics of Motion experiment :

Hi, I don't think his page is complete. What do we do with the materials?

Answer:  Reference Frames and the Truck Problem

You'll want to go back to the first part of this section with Newton's Laws to see where the equations come from and how to use them. This example problem is further down near the end of the section. Try going here first: https://www.sciencelearningspace2.com/2014/10/newtons-first-law-of-motion-2/

Question: from jhayboston about the Dinosaur Toothpaste experiment :

WOW so cool.

Answer:  Turning Compost into Gold

To load the page? Or do the experiment? Or...?

Question: from wilsonrrw about the Reference Frames and the Truck Problem experiment :

can you maybe explain where you get your math equations from? And explain how you got the answers before you move on. Allot of what you talk about doesn't make sense to me, so if you could explain before you move on i would be grateful. Thanks again.

Question: from gulnora12 about the Turning Compost into Gold experiment :

Also it takes a LONG TIME

Question: from gulnora12 about the Turning Compost into Gold experiment :

As soon as I saw the word *gold* I tapped the link XD

Answer:  Rain Gauge

A rain gauge is really just a cylinder that catches rain. If an inch collects in the cylinder, it means an inch of rain has fallen. It's that simple. Most standard rain gauges have a wide funnel leading into the cylinder and are calibrated so that one-tenth of an inch of rain measures one inch when it collects inside.

Answer:  Ammonia Experiments

Yes, and thank you for being so cautious! You can use Sodium Bisulfate for Sodium Hydrogen Sulfate and it's pretty inexpensive here: https://www.homesciencetools.com/product/sodium-bisulfite-30-g/

Question: from jiyoun_chang about the Rain Gauge experiment :

so what is the specific way to measure rainfall in inches?

Question: from bethany_culbertson about the Ammonia Experiments experiment :

I cannot find sodium hydrogen sulfate (NaHSO4) anywhere (except ebay and bulk on amazon). Do you know of a place I could find it? I will not buy chemicals off of ebay. =).

Answer:  Special Science Teleclass: Black Holes

This is an example of risk versus benefit. The benefits of using x-rays in medicine outweigh the risks involved. However, doctors only use x-rays when there is a specific reason to do so.

Answer:  Crystal Radio

I apologize for the confusion. The video has several different versions of the crystal radio... skip ahead to find the one you'd like to build! You do raise a good point - I think I can section out the video into the different models. I'll put this on my "to do" list for future updates.

Answer:  Special Science Teleclass: Black Holes

No, the furthest any human has been is the moon. That's not even out of our solar system!

Question: from abigail_brown about the Special Science Teleclass: Black Holes experiment :

why do doctors use x rays if they are danger to our body