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

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

Introduce your child to science with something they see everyday--their shadow!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

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

Is your kid struggling with number recognition? Here's a great way to go fishing for numbers that will feel more like play than counting practice.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

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

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

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.

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

Build your child's vocabulary by exploring and discussing spatial relationships during everyday activities such as building, rearranging, and ordering.

This simple experiment serves as an introduction to the greenhouse effect.

Send your child on a hunt throughout the house for numbers to help develop her number recognition and ordering skills.

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

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Help your daughter organize all of her barrettes with this fun and colorful activity!

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Support your first grader's counting and reading skills while laughing and running in this fun playground game.

This flexible activity for preschoolers features jellybeans, counting, coloring, and the five senses.

Play with shapes, like triangles and circles, to help your child review the different kinds and create a new picture!

In this activity, your child will develop her sensory awareness and build important math skills while having fun outdoors.

This is a great game to help your child learn number concepts in multiplication and division.

Help your child identify numbers with this fun preschool math art activity! Explore different textures and colors as he learns numbers.

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