Showing Results for how when : Page 3

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

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

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.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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.

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

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea investigates how color affects temperature.

Here's a science activity to help your child investigate how seeds are designed to travel.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Teach your child how butter is created by shaking up cream the old-fashioned way.

This science fair project idea explores how length affects the weight a bridge can hold.

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates how the shape of an object affects drag.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.