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

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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!

In this science fair project you will make a model of a cell membrane using very simple material.

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

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Make edible amber fossils with your second grader to explore the fascinating world of science!

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 design challenge, your child will create a parachute for a small toy using typical household items.