Showing Results for adding mixed number like denominators

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Make this delicious warm apple bread for Hanukkah.

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.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

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

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Practice conversions within the metric system in this fun math card game for third graders.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.