Showing Results for three digit and two step word problems : Page 9

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Help your first grader design and create his very own bird feeder out of an empty milk carton.

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

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

Plants and light seem to be good buddies, but how far does the friendship really go?

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This science fair project teaches students about wilting and browning of salad greens.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!