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Many germs spread by our hands, and often times, people don't wash their hands well enough to get rid of germs.

In this activity, learners will be able to measure themselves in nanometers. A nanometer is a billionth of a meter, a unit of measurement used in nanotechnology.

Learners use Duplo bricks to build antibodies with shapes that match model viruses.

Doctors often send a sample of blood to a lab, to make sure their patients are healthy.

In this activity, learners explore how eating unhealthy food can damage a heart and arteries.

Some bugs can walk on the surface of a lake, stream, river, pond or ocean.

Learners will explore the concept of angular distance, and investigate why the moon appears to be the same size as the sun during a solar eclipse, despite the sun being much larger.