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.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Give your budding young observers a chance to discover simple machines at use in their own home.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

How powerful is the reaction between baking soda and vinegar? Find out here!

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

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

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!