3rd - 5th Grade Science Activities : Page 18

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

This project explores ways to prevent static electrical shocks.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.