Showing Results for all grades test prep : Page 8

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science fair project idea determines the most effective method of preserving food.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Check out this cool science fair project on identifying rocks and minerals for kids.

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project teaches students the differences between fruits and vegetables.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

In this activity your child will create their very own marble maze!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

Cleaning can be a chore, but not with this sudsy experiment!

Discover whether cold or hot water from the faucet will boil faster on the stove.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.