Showing Results for three digit and two step word problems : Page 25

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

This high school science fair project investigates if small changes in your diet alter the pH of your saliva.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

Invite your middle schooler to bungee jump ... with eggs! This experiment will demonstrate Newton's laws of physics in an entertaining way.

Help your kindergartener expand social studies and science work while creating this lovely bag clip for the holidays.

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

This science fair project idea tests the efficiency of short term memory.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

This fascinating science fair project explores eye color genotypes.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Have your child kick off their summer vacation by making a miniature water slide!

Discover the interactions of synthetic dyes and natural dyes on natural and artificially-made fabrics.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.