Earth Vocab Quiz 1A

The coming together and cohesion of matter under the influence of gravitation to form larger bodies. Mark only one oval.

• compound

• ellipse

• accretion

• planetesimal

Tags

NGSS.MS-ESS1-2

The point in the orbit of a planet, asteroid, or at which it is furthest from the sun. Mark only one oval.

• perihelion

• revolution

• rotation

• aphelion

Smallest component of an element that shares the chemical properties of the element

• atom

• molecule

• nebula

• element

A substance formed when two or more chemical elements are chemically bonded together

• molecule

• atom

• compound

• element

Tags

NGSS.MS-PS1-1

A substance consisting of atoms which all have the same number of protons

• molecule

• atom

• element

• compound

A regular oval shape, traced by a point moving in a plane so that the sum of its distance from two other points is constant.

• circle

• ellipse

• nebula

• accretion

An attractive force existing between any two masses that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

• revolution

• rotation

• gravity

• accretion

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

NGSS.MS-PS2-5

A large planet composed mostly of gasses, such as hydrogen and helium, with a relatively small rocky outer core.

• Jovian planet

• terrestrial planet

• planetesimal

• aphelion

a group of atoms bonded together representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction

• atom

• compound

• molecule

• element

Tags

NGSS.MS-PS1-1

an interstellar cloud of dust, hydrogen, helium, and other ionized gases

• planetesimal

• terrestrial planet

• nebula

• jovian planet