Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Your child will have a blast developing their fine motor skills and working on shape recognition with this bright and cheery crab decoration.

Invite your kindergarten marine biologist to practice in scientific identification and categorization while creating a lovely treasure box.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

This science fair project idea uses the process of chemical weathering to change a mineral.

Encourage your child to make a Chinese scroll painting as part of his world history or art studies, or just to pass the time on a weekend.

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

This science fair project idea models industrial oil spills and determines if they have an impact on wildlife living beneath the surface of the water.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Make this creative "story cartoon" tray to help your first grader build reading comprehension skills while having a hilarious time!

Add a smattering of beachy fun to a regular paper plate with this simple and adorable seashell craft!

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

In this experiment we use Scotch Guard to make sand that resists water.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Who says snow globes are just for winter? Help your child create a summer version with this fun art project!

Let your future scribe's imagination run wild! Children have a hard time understanding fact versus fiction, and writing a tall tale can help.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This project examines the concentration of dissolved oxygen in water, with and without oil.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!