2nd - 8th Grade Science Activities : Page 20

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Construct and experiment with a periscope using reflected light rays to gather an image.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.