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 activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

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.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

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.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

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.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

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

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!