Showing Results for two digit old : Page 2

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

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

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.

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

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

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.

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

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

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.

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!