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In this activity, learners make a scale model of an atom to see how big or how small an atom is compared to its nucleus. Learners will realize that most of matter is just empty space!

In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.

In this activity, learners work in teams to investigate the relationship between mass, acceleration, and force as described in Newton's second law of motion.

In this activity, learners use colored candy to represent subatomic particles and make a model of an atom (Bohr model).

This fun and simple hands-on astronomy activity lets learners experiment with a bucket, stretchy fabric, marbles, and weights to discover some basics about gravity.

Learners make a mobile model of a carbon atom using clay, wire, and pipe cleaners.

Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.

In this activity, learners use pegboard and straws to build a three-dimensional model of the periodic table.