Showing Results for three digit using place value : Page 5

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Science fair project that examines the biodiversity of ant populations in various locations.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.