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The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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!

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

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

Learn all about balance and motion as your child designs a corn maze!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Make a lei and bring a touch of the tropical lifestyle into your home!

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

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

Make a spring collage with your child to get them outside and those creative juices flowing!

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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

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

Help your first grader design and create his very own bird feeder out of an empty milk carton.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.