Terrestrial Planets

__________ is a force of attraction inherent to all matter in the universe.

• Gravity

• Motion

• Dynamics

• Speed

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The strength of gravity between two objects depends on their individual _________ and their __________ from each other.

• mass, distance

• speed, distance

• temperature, mass

• orbit, spin

Tags

NGSS.MS-PS2-4

T/F: Gravity is a relatively weak force.

• True

• False

The _______________ planets are made primarily of rocky and metallic materials.

• terrestrial

• gas giants

• solar

• nuclear

Terrestrial planets have little ___________ material and thin atmospheres.

• gaseous

• rocky

• dense

• liquid

The terrestrial planets are relatively (small/large) planets.

• Small

• Large

Mercury is composed of volcanic rock and is heavily _____________.

• cratered

• liquid

• gaseous

• atmospheric

Tags

NGSS.MS-ESS2-2

Mercury’s core is made of _________.

• water

• iron

• gas

• clouds

Since Mercury lacks a(n) ____________, there is nothing to shield it from the harsh radiation of the sun.

• atmosphere

• sun

• moon

• star

________ is the second planet from the sun.

• Uranus

• Venus

• Earth

• Mercury