Showing Results for two digit using place value : Page 9

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

This science fair project idea investigates the hardness property of minerals.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Construct batteries that make electricity from fruits with this fun science fair project.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

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!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

This science fair project idea explores the egg's thin membrane.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This surprisingly good glue recipe comes from common kitchen items.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.