ESA Finals Practice T3 -22/23

A hypothesis is an educated what?

Giant ball of gas and dust that glows when fusing atoms.

• Star.
• Nebula.
• Galaxy.
• Black hole.

A star and the planets and objects that revolve around it.

• Galaxy.
• Nebula.
• Solar sytem.
• Galavtic system.

An exploding star that throws heavy elements into space.

• Supernova.

• Nebula.
• Galaxy.
• Black hole.

A cloud of gas and dust where new stars form.

• Black hole.
• Quasar.
• Planet.
• Nebula.

The distance light travels in a year.

• A light kilometer.
• A parasec.
• An astronomical unit.
• A light year.

What galaxy are we in?

• Andromeda
• Milky Way
• Virgo A
• Large Magellanic Cloud.

What do we call a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.

• Galaxy.
• Star.
• Nebula
• Black hole.

What do we call a rip in space where gravity is so strong that nothing can escape?

• Galaxy.
• Star.
• Nebula
• Black hole.

What is peer review?

• When other scientist look at your hypothesis.
• When other scientist look at your conclusion and experimental setup for mistakes.
• When non-scientist read about your experiment.
• When non-scientist decide if your conclusion is true.