3rd - 5th Grade Science Activities : Page 9

This science fair project idea investigates the hardness property of minerals.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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!

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This science fair project idea investigates whether plants can survive being frozen.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

This science fair project idea explores substances that cause a bubble to last longer.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.