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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 cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Science fair project that determines whether mass and weight are the same or different.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This experiment tests which gender is better at catching how a magician performs his tricks.

Learn all about balance and motion as your child designs a corn maze!

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

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.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.