Showing Results for more or less : Page 2

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

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!

Sorting objects by size, color, shape, or function is an important concept in kindergarten math, and it's the perfect excuse for a little housekeeping!

How powerful is the reaction between baking soda and vinegar? Find out here!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This first grade addition math game helps your child use critical thinking skills while practicing his computation.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Playing the Number Sentence Game with your child gives him the opportunity to practice ordering and comparing numbers using symbols.

Based on the popular "I Spy" game, this activity lets your kid practice important skills like number identification and place value.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

This decimal game is a great way to help your child get familiar with how decimal values work.

Help cement the concept of place value with this simple activity that involves creating a set of dials made from Styrofoam cups.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Liven up a lesson about graphing by helping your third grader compile a bar graph from his classmates' birthday data.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Help your child apply his math skills the next time you cook a family meal similar to one you'd buy at a restaurant.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Does your fifth grader need a study buddy for geometry? Forget about a tutor. Help him make his own geometry dictionary!

Kids will get a kick out of shopping for discounted "kicks" with this creative math game that focuses on percentages.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.