The Saskatchewan Science Centre Online! Check out our hilarious and educational web series “SSCTV”, find downloadable resources, explore other cool science links, and tune into the live BUBOCam!
SSCTV - Owl Pellets And Migration
Have you ever wondered what owls eat? There’s a way to know for sure, and Science Educator Gabby is going to show you how!
Have you ever wondered what owls eat? There’s one way to know for sure, and Science Educator Gabby is going to show you how!
Welcome to the latest episode of Sask Science Centre TV!
This week, we dissect an owl pellet! Learn about what owls eat and how they digest their food. Tommy Tungsten explores oxygen, and Sally Science tells explains bird migration!
Do you have a question for Sally Science? Send it to rholota@sasksciencecentre.com - include a video if you'd like!
Additional Resources
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Science At Home - Dissolving Eggshell
How do you make an egg bounce? Simple! Just remove the shell while keeping the semi-permeable membrane intact! Find out how to do that in this post!
How do you make an egg bounce? Simple! Just remove the shell while keeping the semi-permeable membrane intact! Find out how to do that below.
Hey Science FANS!
Today’s science demonstration is particularly EGG-citing. You only need two ingredients and you’ve almost certainly got those ingredients LAYING around. Don’t be chicken to give this one a try. Okay, let’s get cracking.
You’ll need an egg, a glass, and some vinegar. Simply place the egg in the glass and add vinegar to cover. Leave it to soak overnight, and then take a look at the egg. You may need to leave the egg for three days or more. Eventually, the eggshell will dissolve completely, leaving you with a “naked egg.”
Here’s how this works: the shell of an egg is made of calcium carbonate. Vinegar, which is about 4% acetic acid, reacts with the calcium carbonate. As the shell dissolves, it creates water, calcium acetate, and carbon dioxide! You can see the carbon dioxide in the little bubbles that form on the surface of the egg while it soaks.
2 CH3COOH + CaCO3 = Ca(CH3COO)2 + H2O + CO2
What’s left behind is called a semi-permeable membrane. You may have noticed that the naked egg is larger than it was when it was still in the shell. That’s because the membrane allows water to pass through it – because vinegar is 96% water, some of that water has passed through the membrane and into the egg, causing it to grow!
Here’s two interesting things you can do one you have an egg without a shell.
1. Place it in a glass of water that you’ve added food coloring to. The egg with absorb the water and change colour over time!
2. Shine a flashlight through the egg – can you see the yolk?
3. Bounce them! The egg feels kind of like rubber and even bounces like a ball – be careful though! The membrane isn’t very strong, and if you bounce too hard, it will break!
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Canadarm Challenge Activity
In this challenge, you will design and build your own version of the Canadarm. Test your invention to see if it can successfully pick up an object and move it.
Canadarm Challenge Activity
You are an astronaut on the International Space Station and need to complete a task on the outside of the space station. However, it cannot be fixed by doing a spacewalk. In this challenge, you will design and build your own version of the Canadarm. Test your invention to see if it can successfully pick up an object and move it.
Canadarm 2 And Astronaut David Saint-Jacques
Activity Type
Challenge
Age
7 years old +
What You Need
Markers, paints, paintbrushes, or other craft supplies to decorate your Canadarm
Brass fasteners
Cardboard
Toilet paper rolls
Skewers
Tape
Paper
Straws
Scissors
String
Rocks, balls, small toy or other objects
Paper cups
What You Do
Imagine you are on the ISS, your job is to fix something on the outside of the space station.
Your challenge using the material you have in front of you, build a robotic arm that will be able to move an object.
Think about how you want your design to move and function. Draw it out on paper.
Think about the materials. From the materials in front of you – which would work best for this purpose? You do not have to use all your materials.
Construct your Canadarm. Be sure to test it as you go. Remember, part of the challenge is trying, rebuilding, and trying again!
Canadarm Challenge Examples
Test and Evaluate Your Canadarm
Does it accomplish the goal of lifting an object? How much weight can it pick up? Can your design be changed to improve how it works? Is it durable? How can you make it stronger? Can it be used to hold a tool? What considerations might you have to make if you were designing a working robotic arm for a mission in space? What other reasons or situations could your design or a robotic arm be used for?
More Information
The Canadarm is an example of what Canadians can achieve with collaboration and innovative thinking. It is landmark technological achievement and will continue to inspire future generations of Canadian scientists and engineers as they develop new technologies. Learn more about the Canadarm at the Canadian Space Agency Website.
Taking It Further
Visit the Canadian Space Agency Junior Astronaut Program for more information about Canada’s space program and to find activities you can do at home.
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How To Make An IMAX Movie In Space
Have you ever wondered how you make a movie in space? Especially an IMAX movie?
Thanks to our friends at IMAX, you can view this special Hubble: IMAX Filmmaker Q&A recorded on Zoom and edited with memorable film scenes and bonus content.
Have you ever wondered how you make a movie in space? Especially an IMAX movie?
Thanks to our friends at IMAX, you can view this special Hubble: IMAX Filmmaker Q&A recorded on Zoom and edited with memorable film scenes and bonus content.
Discover how IMAX filmmakers captured NASA astronauts in space.
To celebrate the 10th anniversary of Hubble, we invite you to meet the technical experts who overcame the unique challenges of filming NASA astronauts making critical repairs to the Hubble space telescope 350 miles above Earth. See how astronauts trained in water to simulate working on the space telescope. Learn how a new IMAX 3D camera and custom camera housing, required for the mission, was developed. Discover how the 700-pound camera housing was packed into the Shuttle Atlantis’ cargo bay in order to capture the spectacular footage. Recorded and edited with memorable film scenes and bonus content, this Q&A provides a fun look at how science, technology and engineering skills combine with moviemaking.
Hubble, the breathtaking IMAX space documentary, offered a unique look into the Hubble space telescope’s legacy and highlighted its profound impact on the way we view the universe. Narrated by Leonardo DiCaprio, produced and directed by Toni Myers and executive produced by IMAX co-founder Graeme Ferguson, Hubble is an IMAX and Warner Bros. Pictures production in cooperation with NASA.
See the universe at home: IMAX and Warner Bros. Home Entertainment invite you to re-live the iconic space documentary, now available on amazon.com: https://www.imax.com/hubble10
Enhance your child’s understanding of the Hubble Space Telescope’s mission. Download engaging educational activities with curriculum tie-ins to science, technology, communication, critical thinking and more.
Downloads:
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SSCTV - Rockets And Blue Skies
Learn about different kinds of (at-home) rockets with Jesse, explore the element phosphorus with Tommy Tungsten, and Sally Science tells us why the sky is blue!
Welcome to the latest episode of Sask Science Centre TV!
Learn about different kinds of (at-home) rockets with Jesse, explore the element phosphorus with Tommy Tungsten, and Sally Science tells us why the sky is blue!
Do you have a question for Sally Science? Send it to rholota@sasksciencecentre.com - include a video if you'd like!
Loving this content? Make a donation to the Saskatchewan Science Centre!
#SaskScienceCentre #AtHomeWithCASC #ScienceChampions #ScienceAtHome #realsciencerealfun #seeyqr #exploresask #supportlocal #supportlocalyqr