1st - 3rd Grade Engineering and Science Inquiry Resources : Page 7

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

This science fair project idea demonstrates that plants give off water.

This project determines what category of person is most likely to be ticklish.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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!

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Make a backbone model to explore human anatomy and life science.

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

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

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

Test whether plants can grow without sunlight and water.