4th Grade Science Resources : Page 10

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Test whether plants can grow without sunlight and water.

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

This project determines what category of person is most likely to be ticklish.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

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!

This science fair project idea investigates how color affects temperature.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project idea determines which method of hand cleansing is the most effective.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.