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

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

This project explores whether music affects the growth and health of plants.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Your child can brush up on her math skills by charting the length of time that each candle on the menorah takes to burn.

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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

From Canada's flag, to the Toronto Maple Leafs, to classic maple syrup cookies, the maple tree is very much a part of Canadian heritage.

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

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.

Make a brag sash with your child to celebrate an amazing school year filled with accomplishments.

In this activity, students build a house of sticks, just like the second little pig in the classic story, The Three Little Pigs. Then, they program an educational robot to push down the house, much like the wolf who “blows the house down.”

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Here's a fun, geometric puzzle activity that will capture your child's interest and strengthen his number awareness and graphing skills.

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

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

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

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

Determine whether the application of Febreeze will lower the bacterial count.

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

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.

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

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

This spider hat activity challenges your child to learn about spiders and improve fine motor skills. Make a spider hat with your child on Halloween or any time.

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Here's a preschool color collage activity to help your child work on their sorting skills, and create a beautiful addition to the refrigerator gallery.

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!

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.