Showing Results for two digit old : Page 5

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science experiment tests if dog saliva can really help heal wounds.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

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

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!