Showing Results for mathematics answer key

Use a dichotomous key to identify plants or animals.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

This science fair project idea identifies trees using a dichotomous key.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Can cells be frozen? This science fair project provides information to answer this question.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

The aim of this science fair project is to study the mathematical construct called magic squares and create a unique magic square puzzle.

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This experiment will explore how manipulating a graph of historical information might reveal new information about data.

Find out if most people can distinguish the difference between tones on different instruments.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This project examines whether humans can intuitively grasp numeric values greater than three.