Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

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?

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

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

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.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Do you think heat can affect a plant's growth rate?

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

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.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Allow your first grader to get his artwork outdoors this summer by letting him create a garden art box for his arts and crafts supplies.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Make a backbone model to explore human anatomy and life science.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.