Showing Results for three digit using place value : Page 35

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

This experiment will evaluate if chewing gum affects students' test performance.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea discovers the principle of conservation of mass.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Take a dive into the candy jar with this yummy science experiment.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

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.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This project will explore whether music influences physical endurance.

In this project, you will observe and record changes in sunspots over two weeks.

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This science fair project demonstrates the "power of conformity".

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Cleaning can be a chore, but not with this sudsy experiment!

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.