Showing Results for two digit old

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This project compares the strength of one, two, and three-ply toilet paper.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Discover whether cold or hot water from the faucet will boil faster on the stove.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project examines how seeds hitchhike on animals and clothing.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Make a spring collage with your child to get them outside and those creative juices flowing!

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science fair project idea explores substances that cause a bubble to last longer.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Making your own glass cleaner is easy, effective and inexpensive!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.