Showing Results for compare with same denominators 2 : Page 45

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

This experiment explores whether caffeine improves athletic performance.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.