Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

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.

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

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 experiment investigates if stress alters body temperature.

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

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

This science fair project idea measures physical dexterity as a function of temperature.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

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

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

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

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

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This science fair project idea determines effective strategies to help students stay awake and attentive.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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.

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