Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Start your toy engines -- this is going to be a fast and friction-filled race!

Using a toy race car kids create a visual model of the Doppler Effect.

Do you think heat can affect a plant's growth rate?

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

In this experiment, you experiment with laser jet toner, a magnetic fluid, as it moves, bubbles, and forms unique shapes.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.