Search Results
Showing results 521 to 540 of 660
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-034.png?itok=73WAe8tX)
Safe in the Sun
Source Institutions
In this activity on page 13 of the PDF, use a special plastic card that has been painted with a chemical that changes color when it is in UV light.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-603.jpg?itok=y3wjgd2O)
Saguaro Nest Cavities
Source Institutions
This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-020.png?itok=OCpzK8i7)
Milli's Insulation Investigation
Source Institutions
In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-617.jpg?itok=-TIfGxS4)
Sail Car Design
Source Institutions
This activity (on page 3 of the PDF under GPS: Sailboat Design Activity) is a full inquiry investigation into design optimization.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-398.jpg?itok=y8mNPt-e)
From the Ground Up
Source Institutions
In this plant science activity, learners conduct four experiments to observe how plants respond to sunlight and gravity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-606.png?itok=LTqLI1vr)
Breaking the Tension: Surface Tension 1
Source Institutions
Learners explore how the attractive forces between water molecules create surface tension and allow certain objects to float on the surface of water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-544.png?itok=8YsqRB0G)
Good Stress
Source Institutions
In this activity about physical stress (page 28 of PDF), learners discover that muscles and bones need to work to stay strong.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-148.png?itok=Y-C1Upaa)
Mummy Magic
Source Institutions
Make your own mummy! Using a combination of salts, transform an apple into a mummy and discover how the Ancient Egyptians used drying as one step in the mummification process.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-578.gif?itok=KjQMOnbm)
Finding the Carbon in Sugar
Source Institutions
In this activity about combustion and energy, learners observe a burning candle in a sealed jar and the burning of white sugar.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-234.jpg?itok=tQDtfoQu)
Hot & Cold
Source Institutions
In this activity, learners experiment with hydrogen peroxide, vinegar, yeast, and baking soda to produce hot and cold reactions. Use this activity to demonstrate exothermic and endothermic reactions.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-546.png?itok=BHKHNaEX)
What is Blood Pressure?
Source Institutions
In this activity about heart health (on page 34 of the PDF), learners measure their own blood pressure using an electronic blood pressure monitor with a self-inflating cuff (included in cost of materi
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-604.png?itok=QJy1K-Je)
Moving On Up: Capillary Action 1
Source Institutions
Over the course of several days, learners explore the property of water that helps plants move water from roots to leaves or gives paper towels the capacity to soak up water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-348.jpg?itok=BH0u606W)
Save Your Skin
Source Institutions
This is a fun activity about the power of the Sun and the importance of using sunscreen to protect your sensitive skin from its rays.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-629.jpg?itok=5jZnm3WX)
Roller Coaster Design
Source Institutions
This activity (on page 3 of the PDF under GPS: Roller Coaster Design Activity) is a full inquiry investigation into g-force and acceleration.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-627.png?itok=30ZtgSrQ)
Fantastic Plastic
Source Institutions
In this activity, learners investigate the properties of plastic bags. Learners find out what happens when they slowly push a pencil through a plastic bag filled with water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-979.jpg?itok=dk47e5zP)
Slowing the Flow
Source Institutions
In this experiment, pairs of learners explore how cold water affects circulation. The mammalian diving reflex (MDR) slows circulation when the body is exposed to cold water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-997.jpg?itok=EAb0GM2T)
Crystals: Grow Your Own Garden
Source Institutions
In this simple activity (on page 2 of the PDF), learners make a crystal garden using salt, water, and a brick.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-854.png?itok=KuqHkP5I)
Frog Eggs
Source Institutions
In this activity, learners compare frog eggs to chicken eggs to better understand why frog eggs need water. Learners compare a boiled chicken egg to "frog eggs" represented by boiled tapioca.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-773.jpg?itok=nf-SAyEQ)
Ziploc Digestion Simulator
Source Institutions
In this biology activity, learners recreate the process of digestion in a zip lock bag. A bit of soda pop added to some crumbled crackers approximates how acids in the stomach dissolve food.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-767.jpg?itok=c1xkrROb)
Frosty Glasses
Source Institutions
In this activity, learners explore why frost forms. They create their own frost using a solution of ice water and salt in a glass.