Unit 2 25/26

1 AU is equal to how many kilometers?

• 50 million km

• 100 million km

• 150 million km

• 200 million km

Tags

NGSS.MS-ESS1-3

What is the Universal Law of Gravitation?

• All objects are attracted by earth

• Only large objects have gravity

• All objects attract each other

• None of the above

Tags

NGSS.MS-PS2-4

Magnetic field lines can cross only if ________.

• they travel from north to south

• come out of earth

• they can't cross

• a solenoid makes them stronger

Tags

NGSS.MS-PS2-5

What equation do we use in order to find the displacement parallax?

Sea water is an electrical insulator.

• True

• False

Tags

NGSS.MS-PS2-3

What is this an example of?

• Electric field

• Solenoid

• Electric charges

• Magnetic field

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Electrons are the same size as what other particle?

• Protons

• Neutrinos

• Neutrons

• None

How do planets orbit in our solar system?

• Planets orbit the sun in an ellipse

• Planets orbit the sun in a circle

• Everything orbits around the earth

• Planets orbit the sun in an oval

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

What law states a planet travels equal areas in equal time periods.

• Kepler's 1st Law

• Newton's 2nd Law

• Kepler's 2nd Law

• Kepler's 3rd Law

Two charges that are both negative will _____.

• Repel

• Attract

• Not move

• Move randomly

Tags

NGSS.MS-PS2-3