Midterm Review 1/3

Front

What is a planet?

Back

A body in orbit around a star that is large enough to have taken on a round shape and has cleared the path of its orbit.

Front

What is a scientific law?

Back

A descriptive generalization about some aspect of the natural world that holds true all of the time, proven by repeated testing.

Front

Convert 0.00000054 to scientific notation.

Back

5.4 x 10^-7.

Front

What is a star?

Back

A massive gaseous body held together by gravity and generally emitting light.

Front

Order the following from smallest to largest: Local Group, Virgo Supercluster, solar system, Milky Way Galaxy.

Back

solar system, Milky Way Galaxy, Local Group, Virgo Supercluster.

Front

What is a dwarf planet?

Back

A celestial body that orbits the sun and is large enough to be rounded by its own gravity but has not cleared its orbital path.

Front

What defines a moon?

Back

A natural satellite that orbits a planet.

Front

What is an asteroid?

Back

A small rocky body that orbits the sun, primarily found in the asteroid belt between Mars and Jupiter.

Front

What is the difference between a theory and a law in science?

Back

A theory is a well-substantiated explanation of an aspect of the natural world, while a law describes a consistent relationship observed in nature.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.