Showing Results for three digit and two step word problems : Page 2

This science fair project idea investigates how the shape of an object affects drag.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea investigates whether plants can survive being frozen.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Slip some science into storm watching with a homemade rain gauge!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

In this design challenge, your child will create a parachute for a small toy using typical household items.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project idea explores whether talking to a plant will help it grow.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?