Showing Results for multiply by 2 5

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

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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!

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

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!

This science fair project idea explores whether talking to a plant will help it grow.

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

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

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

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Try this chemistry experiment with your curious kid and get some "shocking" results!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.