Showing Results for 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.

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.

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

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.

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.

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.

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!

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.

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

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

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

This science fair project idea studies the differences in gender perception between people.

Have your child kick off their summer vacation by making a miniature water slide!

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

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

This science fair project idea explores whether color affects a person's emotional state.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.