Science Activities : Page 4

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Start your toy engines -- this is going to be a fast and friction-filled race!

Take a dive into the candy jar with this yummy science experiment.

This experiment will evaluate if chewing gum affects students' test performance.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

This project examines whether people's taste perception is influenced by what they see.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.