Showing Results for compare with same denominators 2 : Page 28

Science fair project that explores the natural process of limestone formation.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

This project examines which type of dance burns the most calories.

This experiment will explore whether adding different substances to a gel affects its strength.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project idea studies the differences in gender perception between people.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

This science fair project idea measures physical dexterity as a function of temperature.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

This science project researches the correlation between barometric pressure and wind velocity.

Science fair project that demonstrates how stalagmites and stalactites are formed.

This science fair project idea provides evidence that air is everywhere and takes up space.