3rd - 8th Grade Science Activities : Page 20

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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.

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

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

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

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

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

This science fair project idea determines the probability of a coin landing heads or tails.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.