In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Have your child kick off their summer vacation by making a miniature water slide!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Take a dive into the candy jar with this yummy science experiment.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

An home science experiment for older students that teaches about the science behind heat.

In this science fair project, students use the streak test to tell minerals apart from each other.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea examines whether boys and girls differ in reflexes.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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!

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!