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Collision of Two Stars Quiz

Total questions: 12

Worksheet time: 9mins

Name
Class
Date
1.

What kind of object can form after two neutron stars merge?

a)

White dwarf

b)

Black hole

c)

Red giant

d)

Main-sequence star

2.

What type of waves are produced during the collision of two massive stars or neutron stars?

a)

Radio waves

b)

Sound waves

c)

Gravitational waves

d)

Magnetic waves

3.

What happens to light near the event horizon of a black hole?

a)

It bends slightly

b)

It slows down

c)

It cannot escape

d)

It reflects back

4.

When two stars collide, what determines whether a black hole will form afterward?

a)

The temperature of the stars

b)

The combined mass after the collision

c)

The distance from Earth

d)

The age of the stars

5.

What is the dense core left behind after a massive star collapses called before it becomes a black hole?

a)

Neutron star

b)

White dwarf

c)

Protostar

d)

Red supergiant

6.

What kind of energy burst is often observed after two neutron stars collide?

a)

Radio flare

b)

Solar flare

c)

Gamma-ray burst

d)

X-ray flare

7.

How fast do gravitational waves travel?

a)

Slower than light

b)

At the speed of light

c)

Twice the speed of light

d)

They don’t move

8.

Which theory first predicted the existence of gravitational waves?

a)

Einstein’s Theory of General Relativity

b)

Newton’s Law of Gravity

c)

Quantum Field Theory

d)

String Theory

9.

What happens to time near a black hole?

a)

It speeds up

b)

It slows down

c)

It stops completely everywhere

d)

It reverses

10.

What happens to the gravitational field when two stars collide?

a)

It disappears

b)

It becomes stronger due to combined mass

c)

It weakens

d)

It oscillates randomly

11.

What can happen when two black holes merge?

a)

They form a larger black hole and release gravitational waves

b)

They explode like a supernova

c)

They become neutron stars

d)

They cancel each other out

12.

What do you think is inside of the black holes

4 lines