Showing Results for comparing lengths

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Invigorate your fourth grader's mind by helping him turn his room into a woven masterpiece using various lengths of material.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Playing the Number Sentence Game with your child gives him the opportunity to practice ordering and comparing numbers using symbols.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

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

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Plastic pipes and pipe connectors make a quick and fun activity for preschoolers. Try some of our pipe challenges!

During Chinese New Year festivities, you see lanterns everywhere. Your child can make her very own red and gold lanterns to display at home.

From wizards to fairy godmothers, a magic wand is an essential element to any magical tale. Help your child make one of her own with simple craft supplies.

Your first grader can create this cute heart puzzle with craft sticks and watercolor paints to challenge her friends!