Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

Celebrate Dia de los Muertos by baking pan de muerto. In this 5th-6th grade activity, your child will explore another culture while learning about baking.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This footwear-focused activity introduces fractions as part of a set and it's the perfect way to generate excitement about fraction concepts.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Hone observational skills and introduce the basics of data interpretation with this data gathering activity all about the different colors people wear.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Most timeline activities are all about history. Make timelines more relevant and personal for your child by focusing on the hours and minutes of his day.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

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

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Use this great no-bake recipe to save energy and keep cool.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Try this recipe with your child and explore Ethiopia through one of its dietary staples: injera, or flat bread!

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Do you think heat can affect a plant's growth rate?