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 which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

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.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This Halloween math activity book is a whole lot of fun.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.