Flash Cards Vocabulary Test-Unit 8-Practice

Front

Rounded by gravity, orbiting the Sun, but ______________ has not cleared its orbit of debris.

Back

a dwarf planet

Front

The force of attraction between objects that is based on mass and the distance between them.

Back

Gravitational force

Front

The four planets nearest to the Sun can be classified as: gas giants, dwarf planets, terrestrial planets, ice giants.

Back

terrestrial planets

Front

Gas Giants are planets with deep, massive atmospheres such as Jupiter.

Back

Jupiter is a Gas Giant.

Front

Gravitational force increases as the mass of an object increases.

Back

Newton's Law of Universal Gravity

Front

Needed to keep an object moving in a circular path.

Back

Centripetal force

Front

The gasses surrounding Earth and other planets are called ________. Options: stratosphere, atmosphere, troposphere, exosphere

Back

atmosphere

Front

An object made of rock, ice, dust and gas that revolves around the Sun.

Back

Comet