Exploring Black Holes

What makes black holes appear black?

• They reflect light from nearby stars.

• They are made of dark matter.

• They absorb all surrounding light.

• They emit a lot of light.

How do scientists identify the presence of a black hole?

• By detecting the sound they produce.

• By measuring their temperature.

• By observing the light they emit.

• By noticing the disappearance of matter and light at a point.

What analogy is used to describe how black holes draw in matter and light?

• A vacuum cleaner sucking up dust.

• A magnet attracting metal.

• A whirlpool in the ocean.

• Water going down a drain.

What happens to a large star that leads to the formation of a black hole?

• It splits into two smaller stars.

• It cools down and contracts.

• It expands and becomes a red giant.

• It explodes into a supernova.

Where are black holes commonly found in galaxies?

• At the edges of galaxies.

• In the center of galaxies.

• In the spiral arms of galaxies.

• Randomly scattered throughout galaxies.