Showing Results for all grades test prep

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

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!

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

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

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

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

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

This experiment investigates whether there are certain sounds that affect men and women differently

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.