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Showing results 1401 to 1420 of 2059
Cardio Comparisons
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In this activity, learners discover how their heart rate changes in different situations.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-464.jpg?itok=4IGN4lwt)
Bank It!
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This simple but open-ended math game introduces basic probability concepts using coins and dice. Players roll the dice and collect coins to match the number rolled.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-183.jpg?itok=-rA8oiCm)
Light and Dark
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Learners examine the properties of light by experimenting with an LED-flashlight and polarizing filters. When two polarizers are used, they block all light when they are placed at right angles.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-535.png?itok=iDa78nw1)
Shrinking Cups
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This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-302.png?itok=t0WLcOKH)
Arrows
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In this activity, learners surprise their eyes with an optical illusion involving arrows made out of pipe cleaners.
Squeeze Me!
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In this math activity, learners guess a secret number between 1 and 100 in a three-player game.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-316.png?itok=qy1SHWoi)
Drops on a Penny
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In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.
Magic Turtle Squares
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In this math activity, learners create a magic turtle where all the rows, columns and diagonals add up to fifteen.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-829.jpg?itok=0SODycOd)
Pennies for Pits
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In this math lesson, learners use fruit to learn about proportions and percentages. Learners compare the weights of the edible and non-edible portions of fruit.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-470.jpg?itok=elniJvhi)
Equal Sharing Game
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In this activity, learners are introduced to division and fractions as they share snacks with a group of friends.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-247.jpg?itok=aOSN1jbm)
Light as Air
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In this physics activity (page 6 of the PDF), learners will demonstrate air has weight by comparing an inflated balloon to a deflated one.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-197.jpg?itok=ZQavA-yv)
Shake It Up!
Source Institutions
Learners drop a magnet through a coil of wire to create electric current in a circuit. LEDs in the circuit allow learners to detect the direction of current flow.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-384.jpg?itok=lW4jLz9Y)
A Penny Saved is a Penny Heard
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In this activity (11th activity on the page), learners use pennies to test their hearing acuity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-915.jpg?itok=4n7FfVEd)
Make Your Own Barometer
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In this weather activity (page 10 of the PDF), learners will demonstrate the changes in atmospheric pressure by constructing their own barometer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-353.gif?itok=sjo-_XBv)
Drop IT!: Depth Perception
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These two activities (4th on the page) demonstrate the importance of two eyes in judging depth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-284.jpg?itok=qUX19u4Y)
Ready to Observe: Enhance Your Telescope Experience
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This fun hands-on astronomy activity uses a variety of simple props to help learners understand why they see what they see in a telescope.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-284.png?itok=gsgywa4f)
Filtering
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Make a quick and easy filter from household materials. A filter will catch any solids suspended in a liquid and filter them out. By using a filter, learners can discover amazing things.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-347.jpg?itok=5KNlSGyV)
Seeing in the Dark
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In this activity (17th on the page), learners investigate why you cannot see colors in dim light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-346.jpg?itok=m7HqL0WC)
Accommodating Accommodation
Source Institutions
In this demonstration (18th on the page), learners conduct a simple test to explore how the cornea refracts light, which is further bent by the eye lens through a process known as accommodation.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-352.jpg?itok=UJI2nI1I)
Shifting Backgrounds, Shifting Images
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In this quick activity/demonstration (5th on the page), learners explore depth perception.