Search Results
Showing results 21 to 40 of 48
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-028.png?itok=Ck3Gk6_O)
Making Recycled Paper
Source Institutions
In this activity on page 11 of the PDF, learners follow simple steps to recycle old newspaper into new paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-000.png?itok=YWz9q2rH)
Another Bright Idea!
Source Institutions
In this activity on page 5 of the PDF, learners use their knowledge of energy and batteries to create homemade flashlights.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-010.png?itok=wPMXFhwk)
Crystal Stencil Stars
Source Institutions
In this activity on page 6 of the PDF, learners dissolve Epsom salt in water and discover that the resulting solution can be used to create a work of art.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-378.jpg?itok=jK0wMkRS)
Defining Dissolving
Source Institutions
In this introductory activity, learners discover that sugar and food coloring dissolve in water but neither dissolves in oil.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-379.jpg?itok=xXdyV36Y)
Solubility Test
Source Institutions
In this activity, learners apply a dissolving test to known crystals to identify the unknown. Since the unknown is chemically the same as one of the known crystals, it should dissolve similarly.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-015.png?itok=ERBPDS8C)
Glitter Slime
Source Institutions
In this activity on page 8 of the PDF, learners make a slimy substance very similar to mucus, and sprinkle it with glitter to imitate the way that allergens are trapped.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-280.jpg?itok=ztRsYKfV)
Using Color to See How Liquids Combine
Source Institutions
Learners add different liquids (water, salt water, alcohol, and detergent solution) to water and observe the different ways the different liquids combine with water.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-001.png?itok=Z7MAJxl2)
Super Shrinkers
Source Institutions
In this activity on page 14 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners turn plain pieces of recycled plastic into shrunken works of art.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-029.png?itok=-a4lkmoQ)
Spaghetti Strength
Source Institutions
In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-002.png?itok=wUZP2FNq)
Density Intensity
Source Institutions
In this activity on page 12 of the PDF (Rethinking the 3 R’s: It’s Easy to be Green), learners examine how recyclable materials are separated by various properties at recycling centers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-016.png?itok=dL85oT5v)
The Nose Knows!
Source Institutions
In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.
![](/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-000-000-004-020.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-000-000-004-008.png?itok=HyvvvbfK)
Paint a Fresco
Source Institutions
In this activity on page 7 of the PDF, learners experiment with the interesting designs that can be made by painting on plaster.
![](/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-000-000-003-458.jpg?itok=qiITeSH9)
A Closer Look at Crystals
Source Institutions
In this activity, learners compare different types of salt crystals under a magnifying glass.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-023.png?itok=smz0GB2H)
Special Effects Using Household Chemicals
Source Institutions
In this activity on page 4 of the PDF (Behind the Scenes with Chemistry), learners make some special effects, including snow and breaking glass, with supplies found in the home.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-009.png?itok=cvrtDMJ4)
Stained Glass Glue
Source Institutions
In this activity on page 6 of the PDF, learners use glue instead of glass to create artwork that can be hung in a window.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-021.png?itok=SIrEi3be)
Iodine Investigators!
Source Institutions
In this activity on page 7 of the PDF (Chemistry—It’s Elemental), learners use iodine to identify foods that contain starch.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-035.png?itok=Z70aajM3)
Exploring A Hydrogel
Source Institutions
In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers,