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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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

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.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

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

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

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!

Science fair project that uses distillation to convert salt water into fresh water.

In this science fair project, students examine how temperature affects sugar transport within a plant.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.