Backgrounders

Learn about the history of telescopes and the function of refracting and reflecting optical telescopes.

Learn about radio astronomy, a type of astronomy that studies objects in space using radio waves and radio telescopes.

Some astronomers are not looking for stars, planets or galaxies. They are searching for intelligent life in the universe beyond our planet.

Learn about the history, function, uses, benefits and risks of Ultrasonography as a medical imaging technology.

Learn about uses of thermal imaging as a medical imaging technology.

Learn about radiography and x-rays as a form of medical imaging technology.

Learn about the history, function, uses, benefits and risks of ophthalmic imaging as a medical imaging technology.

Learn about the history, function, uses, benefits and risks of Magnetic Resonance Imaging (MRI) as a medical imaging technology.

Learn about the history, function, uses, benefits and risks of computed tomography (CT) as a medical imaging technology.

Learn about the states of matter, as well more about one state in particular - gas!

Learn about the theory of Boyle’s Law and explore examples of Boyle’s Law in everyday life.

Learn about the theories of Charles’ Law and Gay-Lussac’s Law and explore examples of these laws in everyday life.

Learn about the Kinetic Molecular Theory of Gases as well as about the units and tools used to measure gases.

Learn about the categories, or phylum, of the plant kingdom with examples from each.

Learn about the many different structures that make up plant cells as well as what differentiates plant cells from animal cells.