Showing Results for three digit old : Page 4

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Find out which kind of bubble wrap fares best when put in impact.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This project examines whether people's taste perception is influenced by what they see.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

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

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.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!