Help your child practice multiplication tables with this mental and physical multitasking game that uses a hula hoop to get into the swing of things.

This very physical game gets math off the page and into the real world-- and it works on number sense and estimation, key skills for kindergarten readiness.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Help your kindergartener practice counting from one to ten with this fun outdoor activity. Make a "My Backyard Counting Book" to review counting to ten.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Guessing is more than pure fun, it's also a key part of kindergarten math. Here's a fun way to bring estimation to the breakfast table.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

This experiment investigates if stress alters body temperature.

Combine an introduction to shape and counting with a springtime art project by showing your kindergartener how to create a vibrant rainbow mosaic.

Explore the wattage of microwaves in relevance to cooking time.

Teach your third grader about the concepts money and purchasing with this "Mock Card Shop" activity.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

This science fair project idea explores which is better for diffusion and cell absorbing, more surface area, or more volume.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Try a 100th Day of School Scavenger Hunt with your preschooler, and send her on the search for objects of different colors!

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Use Henri Matisse as inspiration for your preschooler or kindergartener to create a unique and funky paper shapes collage in this arts and crafts activity.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?