2nd and 3rd Grade Science Projects Resources : Page 3

Plants and light seem to be good buddies, but how far does the friendship really go?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

This science fair project idea investigates the hardness property of minerals.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This science fair project idea explores substances that cause a bubble to last longer.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

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

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.