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Showing Results for compare with same denominators 2 : Page 15

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Salinity and Hatching Brine Shrimp Eggs

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Do Butterflies Prefer Sugar Water, Salt Water, or Plain Water?

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Text on Screen vs. Type on Paper: Which is Easier to Remember?

This science fair project idea experiments with spinning color wheels and optical illusions.

A Trick for the Eyes: Color Wheels and Optical Illusion Tops

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Where Did the Ladybug Get Her Spots?

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Desert Food Web

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Simple Machines

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Can't Do a Thing with Your Hair? Think Again!

Science fair project that examines condensation and the conditions needed in order for dew to form.

Dew Point, Humidity and Weather

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Cats & Dogs

This science fair project investigates why the number of visible stars changes from place to place.

Stars In The Sky

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Soil pH: Acid or Alkaline?

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.

Teaching Worms

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.

Effect of Artificial Light on Plant Growth

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Wacky Windmill Challenge

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

If Starch is Composed of Sugar Why Isn't Starch Sweet?

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.

Build a Tunnel

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

Exploring the Movement of Tectonic Plates with S'Mores

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Glue From Milk

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Passive Solar Heating

This science fair project idea  investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Measuring Magnification

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.

Floating Paper Clip

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

Water Salinity

In this activity, your child will transform an egg into a glowing, bouncy &quot;ball&quot; that they can play with.

Design Challenge: Glowing Bouncy Egg

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling
into the moat.

Sand Bridge

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Water Transport in Plants

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Heat Convection in Liquids

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

How to Make a Steam Powered Rocket Boat

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Form and Function

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Popular Mnemonics: How Can You Easily Remember Things?

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