Help your child improve his coin counting skills in these two math games that have him race to reach $1.00.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Make math fun for your child by turning it into a game and challenging him to beat the calculator with this cool math race!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

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

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

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

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

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?

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

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

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

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.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

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

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