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Showing Results for two digit and missing factors

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

What Happens When Oil and Water Get Together?

This classic children&#39;s game-connecting two cups with a string-demonstrates sound&#39;s ability to travel through air vs through a solid.

The Speed of Sound on a String

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

Bridge Over Troubled Water

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Forensic Entomology and the Life Cycle of the Blowfly

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

This science fair project teaches students about wilting and browning of salad greens.

Why Do Greens Turn Brown?

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Design Challenge: Building a Bridge

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Ew... Brown Guacamole!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Meteorologist for a Day

The objective of this science project is to determine the length of time for different seeds to germinate.

Making Plants Grow

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Pasta Coquina: Make Your Own Sedimentary Rock

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Sinking Objects

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Duck Feet

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Sour Taste Testing: When Life Gives You Lemons

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Candy Science: A Halloween Experiment

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The Role of Fat in Food

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Candy or Medicine?

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Design Challenge: Making a Catapult

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Design Challenge: Gumdrop Towers

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What Is the Best Way to Wash Your Hands?

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments!  How do you do it? It's not a secret, it's science!

Bubble Science

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Floating Rocks

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Design Challenge: Making a Boat

This science experiment has students test whether a snail moves faster on concrete or dirt.

Speedy Snail Race

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Earthworms and Plant Growth - Are They Related?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

How do Sedimentary Layers Form?

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.

The Ghost in the Tube

Scientists observe and classify the world around them! In this lesson, your students will practice their processing skills by observing a group of objects and grouping the objects based on their attributes.

Think Like a Scientist: Observe, Sort, and Classify

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

What Do Worms Eat? A Compost Project

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Eureka! Volume and the Displacement of Water

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