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

Here's an activity to inspire your preschooler to learn to recognize numbers and count than by using fun and funky rubber stamps to make her own flashcards!

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!

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Play a game of "restaurant" to reinforce real-world applications of counting and using money.

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.

Science fair project that cultivates slime mold and monitors the stages of its development.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Help your kindergartener learn to manage a telephone with this homemade keyboard that also helps kids practice letters and numbers.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

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 investigates food preference of birds.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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.

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.

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

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

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

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

The objective of this experiment is to evaluate the effects of acid rain on plants.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Can cells be frozen? This science fair project provides information to answer this question.