8th Grade Science Final Review

Why does the Earth orbit the Sun and not a planet in the solar system?

• The Sun is more massive than the planets so it's mass causes the gravitational pull.
• It just happened that way.
• The Earth pulls the Sun toward it  because it is so massive.
• The Earth is closer than the other planets so the distance causes the gravitational pull.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What's a mid-ocean ridge?

• An underwater mountain range formed where two plates collide. 
• An underwater mountain range formed where two plates slide past each other.
• An underwater mountain range formed where two plates subduct.
• An underwater mountain range formed where two plates separate.

Tags

NGSS.MS-ESS2-3

Which technology would be useful for studying moon phases

• Spectroscope
• Space Probe
• Telescope
• The international Space Station

Tags

NGSS.MS-ESS1-1

The nucleus of the atom has  the 
___________ and ___________ in it.

• protons and neutrons
• electrons and neutrons
• protons and electrons

Tags

NGSS.MS-PS1-1

• The Pacific and Nazca plates are both moving to the east. 
• The Pacific and Nazca plates are both moving to the west. 
• The Pacific plate is moving to the west, and the Nazca plate is moving to the east. 
• The Pacific plate is moving to the east, and the Nazca plate is moving to the west. 

• Position 1, because North America receives the most direct sun 
• Position 2, because North America is tilted toward the sun 
•  Position 3, because North America is parallel to the sun
• Position 4, because North America is tilted away from the sun 

Tags

NGSS.MS-ESS1-1

• a main-sequence star in spectral class B 
• a supergiant in spectral class K
• a main-sequence star in spectral class K or M 
• a white dwarf in spectral class B 

Tags

NGSS.HS-ESS1-3

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest? 

• Planets, stars, galaxies, nebulae 
• Nebulae, stars, planets, galaxies 
• Galaxies, stars, planets, nebulae
• Planets, stars, nebulae, galaxies

The term used to define a cell that has a nucleus containing DNA.

• Prokaryote
• Eukaryote
• Autotroph
• Homeostasis

A cell without a nucleus.

• Eukaryotic
• Prokaryotic
• Heterotroph