This planet has the densest composition overall.

• Mercury

• Venus

• Earth

• Mars

Tags

NGSS.MS-PS1-1

Which planet closely matches Earth in size & composition?

• Mercury

• Venus

• Mars

• Neptune

Mercury has a much larger ___ compared to Earth’s moon’s.

• Atmosphere

• Core

• Thicker crust

• Polar ice cap

Today, all of the carbon dioxide (CO2) on Venus is located almost entirely in the

• Oceans

• Crust

• Mantle

• Atmosphere

How often do transit pairs happen with Venus?

• Every 10 years

• Ever 4 years

• Every 8 years

• Every 6 years

Tags

NGSS.HS-ESS1-4

What galaxy do we live in?

• Pinwheel

• Andromeda

• Sunflower

• Whirlpool

• Milky Way

What do scientists believe exists at the center of galaxies?

• A giant star

• Empty space

• A massive black hole

• Dark matter

• A portal to another universe

If a dying star's core is less than 4 times and more than 2.1 times the Sun's mass, it becomes ___

• A white dwarf

• A neutron star

• Black hole

• A plain star

If a dying star's core is no more than the size of the sun or just a little bigger than the Sun's mass, it becomes ___

• A white dwarf

• A neutron star

• Black hole

• A plain star

Venus has a level of plate tectonic activity (compared to Earth) that is

• a little less.

• very comparable.

• a little more.

• virtually non-existent.

Tags

NGSS.HS-ESS1-5

NGSS.HS-ESS2-1