Chapter 1: The Universe

Everything that exists, including all matter, energy, space, and time is called what?

• Universe

• Galaxy

• Cosmic Microwave Background

• The World

Which object is not part of the universe?

• Stars

• Galaxies

• Dark matter

• everything is part of the universe

• oak tree

Normal matter makes up what percent of the composition of the universe?

• 5%

• 10%

• 25%

• 70%

• 75%

Dark matter makes up what percent of the composition of the universe?

• 5%

• 10%

• 25%

• 70%

• 75%

Dark energy makes up what percent of the composition of the universe?

• 5%

• 10%

• 25%

• 70%

• 75%

Anything that we can see or all visible matter including things such as people, trees, the moon, the sun, and stars.

• normal matter

• dark matter

• dark energy

• it doesn't matter

The void of space where no visible object is present and no force is present but the invisible area acts like a glue holding structures together.

• normal matter

• dark matter

• dark energy

• it doesn't matter

An invisible and unknown force that's causing the universe to expand at an accelerating rate and counteracts the force of gravity

• normal matter

• dark matter

• dark energy

• it doesn't matter

The force that pulls objects together.

• dark energy

• 5 hr energy

• gravity

• inertia

Tags

NGSS.HS-PS2-4

The force that pushes objects away from each other.

• dark energy

• 5 hr energy

• gravity

• inertia