This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project idea discovers the effect of (high) heat on animal cells.

Help your child practice her counting as she makes this fun and festive holiday decoration!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

This science fair project idea determines which flower lasts the longest.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

This project examines how temperature affects the volume of gas in balloons.

Use this great no-bake recipe to save energy and keep cool.

Practice measurement using centimeters in this fun math race designed for your second grade student!

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Test whether cutting up meats will make it cook faster than just cooking it whole.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.