2nd and 3rd Grade Science Projects Activities : Page 8

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Cleaning can be a chore, but not with this sudsy experiment!

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this science fair project you will make a model of a cell membrane using very simple material.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea explores how length affects the weight a bridge can hold.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

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.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This project investigates the affect of storage temperature on microwave popcorn.

In this project children practice the scientific method while playing with puffy paint.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.