1st - 7th Grade Science Activities : Page 24

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

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!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Give your budding young observers a chance to discover simple machines at use in their own home.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

This science fair project idea produces varying pitches of sound.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Discover which fabrics shrink the most in the wash and why.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

I scream, you scream, we all scream for homemade spearmint ice cream!

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project compares the strength of one, two, and three-ply toilet paper.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!