Solar System

What keeps a planet moving on its path around the sun

• gravity & inertia
• heat & pressure
• inertia & pressure
• gravity & heat

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is an astronomical unit?

• distance between the moon and earth
• distance between the earth and pluto
• distance between the earth and sun
• distance between NJ and Cali

Tags

NGSS.MS-ESS1-3

What pulled the matter towards the center of the nebula as the solar system was forming?

• inertia
• heat
• pressure
• gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which statement best describes a planetesimal?

• small body in space that revolves around a star
• a dwarf planet
• bodies in space that collide together to form planets
• moons

The closer a planet is to the sun...

• the faster it travels
• the slower it travels

Tags

NGSS.MS-PS3-1

Which statement best describes a galaxy?

• a cluster of millions of stars held together by gravity
• a star, with planets, moons and other small space bodies revolving around it
• all known objects
• all of the above

Nuclear fusion happened in the center of a solar nebula because of...

• gravity and inertia
• heat and pressure
• distance and mass
• mass and heat

Tags

NGSS.HS-ESS1-1

The idea that an object in motion will stay in motion unless acted upon is known as

• gravity
• inertia
• pressure
• heat

If a planet had 2 moons and 1 moon was twice as far from the planet as the other moon, which moon would complete a revolution around the planet 1^st?

• Moon A - closer to the planet
• Moon B - further from the planet

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

All planets have the following characteristics EXCEPT

• They rotate
• They revolve
• They have an atmosphere
• They have elliptical orbits