Showing Results for three digit using place value : Page 11

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science fair project idea compares biodiversity between drops of water.

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

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!

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

This science fair project idea demonstrates that plants give off water.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

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

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Explore if planting seeds in a certain direction will affect how fast it germinates.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

In this project children practice the scientific method while playing with puffy paint.