Week 5 Astro Quiz

What is the hypothetical energy that is causing the Universe to accelerate its expansion?

• Dark matter
• Dark fusion
• Dark energy
• Expansion energy

What is the mathematical model that joins space and time into a single concept?

• spacetime
• gravity
• cosmology
• unification theory

Which of the four fundamental forces holds together subatomic particles to create complex matter?

• strong nuclear force
• electromagnetism
• weak force
• gravity

Which of the four fundamental forces creates particle decay and allows for nuclear fusion?

• strong nuclear force
• electromagnetism
• weak force
• gravity

Which of the four fundamental forces exists between charged particles and creates electricity and magnetism?

• strong nuclear force
• electromagnetism
• weak force
• gravity

Which of the four fundamental forces is the result of the impact of matter on spacetime?

• strong nuclear force
• electromagnetism
• weak force
• gravity

What has mass and takes up space?

• Matter
• Dark Energy
• Dark Matter
• Gravity

What is the ability to do work?

• Matter
• Dark Energy
• Energy
• Gravity