Solar System

In its orbit, Earth circles the sun once every year. This movement around the sun is called a(n) _______.

• rotation

• revolution

• astronomical unit

• satellite

Tags

NGSS.MS-ESS1-1

Rocks and pebbles that hit Earth's atmosphere and burn up are _______.

• meteors

• comets

• satellites

• keplers

Newton's Law of Inertia states that _______.

• invisible forces pull objects together based on their mass

• what goes up must come down

• an object in motion stays in motion unless acted upon by another force

• the distance from Earth to the sun is one astronomical unit

The spinning of Earth on its axis is an example of its _______.

• newton

• gravity

• revolution

• rotation

Tags

NGSS.MS-ESS1-1

Kepler's Laws of Motion explain why _______.

• planets closer to the sun travel faster in their orbits than planets that are far away from the sun

• comets have long tails

• most meteors burn up in the atmosphere

• objects can move

Tags

NGSS.HS-ESS1-4

Earth rotates on an imaginary line that runs from the North Pole to the South Pole. This line is called Earth's (a)   .

• equator

• axis

• pole line

• phase

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6

The distance from Earth to the sun is 150 million kilometers (93 million miles). We call this distance (a)   .

• one astronomical unit

• escape velocity

• the Law of Inertia

• the Milky Way

Tags

NGSS.MS-ESS1-3

The inner planets are (a)   .

• Neptune, Jupiter, Uranus and Saturn

• Ceres, Pluto, Eros and Europa

• Mercury, Venus, Earth and Mars

• everything in the Kuiper Belt and the Milky Way

Tags

NGSS.MS-ESS1-3

Tides on Earth are controlled by (a)   .

• friction

• the gravity of the moon

• meteors, comets and asteroids

• Earth's density

Tags

NGSS.MS-PS2-4

Which of the following best describes the path that planets follow around the sun?

• Straight lines

• Spiral orbits

• Elliptical orbits

• Random paths

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2