Quiz on Dark Matter and Dark Energy

What is dark matter?

• A type of light

• A new kind of particle

• A planet in our solar system

• A kind of energy

What does dark energy do to the universe?

• Makes it colder

• Causes it to expand faster

• Makes it smaller

• Keeps it the same size

Who discovered that galaxies are very far away?

• Galileo Galilei

• Edwin Hubble

• Albert Einstein

• Isaac Newton

What percentage of the universe is dark energy?

• 66.2%

• 50%

• 10%

• 33.8%

What is the age of the universe according to modern cosmology?

• 4.5 billion years

• 13.77 billion years

• 10 billion years

• 20 billion years