Showing Results for three digit using place value

This science fair project investigates why the number of visible stars changes from place to place.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea identifies trees using a dichotomous key.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

In this project students experiment with making music using only glasses of water.

This science fair project idea produces sounds by creating vibrations using different objects.

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

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

In this science fair project you will make a model of a cell membrane using very simple material.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

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

Using a toy race car kids create a visual model of the Doppler Effect.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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.

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!

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