Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

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

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.

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

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

This project examines the concentration of dissolved oxygen in water, with and without oil.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

This science fair project idea investigates food preference of birds.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Make this delicious warm apple bread for Hanukkah.

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

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

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!

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?