Showing Results for compare with same denominators 1 : Page 40

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

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

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

This science fair project idea demonstrates the process of land erosion.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Science fair project that builds a magnetometer and demonstrate its uses.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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

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