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This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

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

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

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 activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

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

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

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

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

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

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.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

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!

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

This experiment investigates if stress alters body temperature.

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!