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This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

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

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

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

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

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

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

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

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea investigates how color affects temperature.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.