Showing Results for two digit using place value : Page 23

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Will the shape of an ice cube impact how fast the ice melts?

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Think about the adaptive utility of an important aspect of our physiology.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this science fair project, students examine how temperature affects sugar transport within a plant.

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

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

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.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

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 explores what it takes to create a biosphere, or a self-sustaining ecosystem.

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.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.