1st - 3rd Grade Science Projects Resources : Page 9

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.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

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.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

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.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.