Science Study Guide

L1: what is the solar system?

• the sun and all the other stars around it

• the sun and all of the bodies that orbit it

• a part of the milky way

• the sun, stars, and the planets

Answer explanation

the solar system is the sun and all of the bodies that orbit it

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

L1: which is the correct model?

• heliocentric

• geocentric

Answer explanation

heliocentric is sun centered while geocentric is earth centered

Tags

NGSS.MS-ESS1-1

draw a picture of a heliocentric model and geocentric and put a ✅ for the correct one

Tags

NGSS.MS-ESS1-1

L1: among these people, pick which ones believed in geocentric

• Aristotle

• Copernicus

• Aristarchus

• Ptolemy

• Kepler and Galileo

L1: among these people, who believed in heliocentric?

• Copernicus

• Ptolemy

• Aristarchus

• Aristotle

• Kepler & Galileo

L2: what is gravity?

• an invisible line between objects that’s attracts them to each other and away from each other because of built up energy

• a force of attraction between objects due to their matter and distances apart

• a force of attraction between objects due to their masses and distances between them

Answer explanation

Tags

NGSS.HS-PS2-4

L2: true or false—gravity is the weakest force in nature

• true

• false

L2: what accounts for the formation of stars, planets, galaxies, orbits, etc?

• gravity

• matter

• pull

• energy

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

L2: who discovered that the planets orbit in an elliptical shape?

• Galileo Galilei

• Nicolaus Copernicus

• Johannes Kepler

• Tycho Brahe

Answer explanation

Although Tycho Brahe made many accurate measurements, Kepler is the one who first discovered that objects orbit the sun in an elliptical shape

L2: true or false—aphelion is when an object is closest to the sun

• true

• false

Answer explanation

aphelion is when an object is FARTHEST from the sun while perihelion is when and object is CLOSEST