2nd - 4th Grade Science Projects Activities : Page 13

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!

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

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.

This science project teaches students to classify different shapes of leaves.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

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!

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

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.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!