2nd - 6th Grade Science Activities : Page 4

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this project, you will observe and record changes in sunspots over two weeks.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea determines what household items are good conductors of electricity.

This simple experiment serves as an introduction to the greenhouse effect.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This project examines whether people's taste perception is influenced by what they see.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This experiment will evaluate if chewing gum affects students' test performance.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

In this science fair project, students make their own rain gauge to measure rainfall.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.