Search Results
Showing results 221 to 240 of 280
![](/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-000-000-001-629.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-000-000-001-212.jpg?itok=eHOFIHLD)
Damsels and Dragons
Source Institutions
In this outdoor activity/field trip, learners conduct experiments to explore where dragonflies and damselflies perch or rest, and how the flies change behavior in reaction to other flies or fly decoys
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-128.jpg?itok=3XJUXr-v)
Weathering and Erosion
Source Institutions
In this multi-station lab, learners conduct a series of experiments to explore the processes and effects of weathering and erosion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-632.png?itok=pdVqMxlY)
There’s Oil in My Eggs
Source Institutions
In this activity, learners investigate the impact of oil pollution on the environment and wildlife. Learners use hard-boiled eggs and feathers to understand the damage that oil spills can cause.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-714.gif?itok=E-2nuHvs)
Magnetic Suction
Source Institutions
In this activity about electricity and magnetism, learners discover how a doorbell works. A coil of wire with current flowing through it forms an electromagnet that acts similar to a bar magnet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-962.jpg?itok=bqR2MYNX)
Candy Chemistry
Source Institutions
In this experiment, learners test multiple food items to see if they are an acid or base using an indicator solution created with red cabbage.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-249.gif?itok=opFkgZ0V)
Invisible Investigations
Source Institutions
Using indirect observational methods, learners distinguish between charged and uncharged objects.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-172.jpg?itok=4-xN5yn7)
Making Sodium Acetate: Hot Ice
Source Institutions
In this chemistry activity which should only be done under adult supervision (page 10 of the PDF), learners will create an exothermic process by making Sodium Acetate.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-628.jpg?itok=3QhqmIWO)
Super Soaking Materials
Source Institutions
In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-370.jpg?itok=zC5wbvP7)
Give or Take?
Source Institutions
In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-831.png?itok=U8jdIO4O)
Cool It
Source Institutions
In this outdoor activity/game, learners use thermometers to simulate how lizards survive in habitats with extreme temperatures.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-825.jpg?itok=3oPGQ8KG)
Mystery Marauders
Source Institutions
In this outdoor, mystery-solving activity, learners work like detectives, gathering evidence to identify the culprits that are attacking plants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-716.gif?itok=nwcrO8UV)
Hand Battery
Source Institutions
In this activity about chemistry and electricity, learners form a battery by placing their hands onto plates of different metals.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-689.jpg?itok=_gROKIEj)
Propeller-Powered Car
Source Institutions
In this activity, learners construct cars that are powered by hand-made, electric propellers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-776.jpg?itok=00IgAbtK)
Super Soaker
Source Institutions
In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-031.png?itok=b_4fZEGw)
Cleaning Water with Dirt
Source Institutions
In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-025.png?itok=2oSwsZuP)
Testing Vitamin C: Chemistry's Clear Solution
Source Institutions
In this activity on page 8 of the PDF, learners investigate vitamin C. Learners conduct a chemistry experiment to determine if Tang drink mix or orange juice contains more vitamin C.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-612.jpg?itok=YfIlX_iG)
Scent Tag
Source Institutions
In this matchmaking activity (on page 2 of the PDF under GPS: Animal Scent Activity), learners will each have a scented cotton ball taped to their shoulder. The scent (e.g.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-830.jpg?itok=t_8xLZWT)
Forwards and Backwards
Source Institutions
In this activity, learners explore acids and bases by preparing six solutions that combine vinegar and ammonia, ranging from acid (all vinegar) to base (all ammonia).