General Relativity

What is the equivalence principle? 

• gravity and acceleration are the same thing
• constant speed and at rest are the same thing
• gravity is curvature of space
• gravity and constant velocity are the same thing

According to Newton, gravity was a force.... According to Einstein, gravity is a ________.  

• force
• curvature
• mystery
• constant velocity

Tags

NGSS.HS-PS2-4

What does gravity do to time?

• speeds it up
• slows it down
• nothing

Which of these provides the best analogy for what massive objects do to spacetime?  

• coat hanger in the closet
• bowling ball on a rubber sheet
• car driving in a circle
• tennis ball in the dryer

During what rare event was General Relativity confirmed?

• Halley's Comet

• Total Lunar Eclipse

• Summer Solstice
• Total Solar Eclipse

At rest on the Earth would feel exactly like ______________.  

• Being on a rocket in space moving at a constant velocity.
• Being on a rocket in space accelerating upwards at 9.8 m/s2
• Being on a rocket in space that is at rest.
• Being at rest on Jupiter

Tags

NGSS.HS-PS2-4

Does a beam of light 'fall' if it is moving through a gravitational field?

• Yes
• No

Tags

NGSS.HS-PS4-3

What is gravitational lensing?

• slowing down of time around a black hole
• light bending around a massive object
• light moving in a straight line around a massive object
• light bending as it goes from one medium to another

Finish this phrase "Matter tells spacetime how to curve, spacetime tells matter how to ______"

• move
• collapse
• expand
• rest

Tags

NGSS.HS-ESS1-4

Which theory explains the geometric description of gravity as a curvature of spacetime around massive bodies? 

• Theory of Special Relativity
• Law of Universal Gravitation
• Theory of General Relativity
• Photoelectric Theory