1st and 2nd Grade Engineering and Science Inquiry Resources : Page 4

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

Do different types of oil mix or stack? Find out in this science fair project idea!

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

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea determines which method of hand cleansing is the most effective.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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?

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.