Showing Results for three digit : Page 12

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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.

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

Encourage your fourth grader to develop their critical thinking and critical writing skills with this Critics' Choice movie booklet for your family.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Practice third and fourth grade measurement skills and make a practical holiday gift in the process!

This science fair project idea determines what household items are good conductors of electricity.

Perform a special St. Patrick's Day magic trick with this fun craft project! 

To practice place value, here's a fun hands-on activity to get your child flipping through place value with ease!

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

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!

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.

In this activity your child will create their very own marble maze!

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

In this activity, your child will use two powerful questions to investigate a thought and the truth behind it. They will write and perform a skit using mindfulness and these important questions.

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

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.

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.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.