Showing Results for mathematics answer key

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.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

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

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Test whether cutting up meats will make it cook faster than just cooking it whole.

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

Countries all around the world have been using the abacus for thousands of years to make math easier. Have your kid make his own abacus to practice arithmetic.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Get your child excited about measuring with this fun and easy household measurements activity.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

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

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

How many steps long is the hallway? Kids put their graph-making skills to work as they make a step map of their own house.

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

This science fair project idea determines effective strategies to help students stay awake and attentive.

Determine which metal has the highest rate of conductivity.