Showing Results for mathematics answer key

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

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

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 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.

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.

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.

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.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

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

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

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

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Introduce your child to science with something they see everyday--their shadow!

Help your kindergarten science maven explore the water cycle without getting everything wet.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This project examines whether playing music during class helps students learn or if it distracts students from learning.