Gravity and the Universe. Science 1.2.1

Multiple Choice

A cluster of stars, dust, gas and matter is a

• galxay

• planetary system

• universe

Multiple Choice

All matter and space that exists is called the

• galaxy

• planetary system

• universe

Multiple Choice

Planets orbit around a star (like the Sun), because of gravity is called

• galaxy

• planetary sytem

• universe

Multiple Choice

What is the name of the scientific theory that explains how the universe was created?

• The Balloon Theory

• The Big Bang Theory

• The Small Bang Theory

Multiple Choice

A bright, shiny sphere of plasma (very hot gas) is called

• moons

• stars

• planets

Multiple Choice

A round and massive object that orbits around a star. They can be made of rocks, gasses, or gas and ice.

• moons

• stars

• planets

Multiple Choice

An object that orbits a planet is called a

• moon

• sun

• planet

Multiple Choice

Our solar system formed from

• an exploded star

• a cloud of gas and dust

• a black hole

Multiple Choice

What force helped with the formation of the sun and planets?

• Electricty

• Magnets

• Gravity

Multiple Choice

Only Earth has a moon

• true

• false

Multiple Choice

Which galaxy do we live in?

• Andromeda

• Milky Way

• Small Magellanic Cloud

• Virgo

Multiple Choice

What is the force that holds a galaxy together?

• heat

• dark energy

• light

• gravity

Multiple Choice

A system of billions of stars, gas, and dust held together by gravity is called a-

• star

• nebula

• galaxy

• universe

Multiple Choice

Categorize this galaxy.

• irregular

• spiral

• elliptical

• crab

Multiple Choice

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

Multiple Choice

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

Multiple Choice

Which of the following is the largest?

• star
• universe
• cluster
• galaxy

Multiple Choice

Check ALL of the things that are in our universe.

• Stars, asteroids, galaxies, planets

• Just planets and galaxies

• Just stars, galaxies and asterioids

• Just planets and stars

Multiple Choice

What galaxy do we live in?

• Snickers Galaxy

• Milky Way Galaxy

• Round Galaxy

• Star Galaxy

Multiple Choice

COMPLETE

Stars are...

• Shinning objects that only sparkle at night.

• Asteroids passing by.

• Huge gas spheres that shine in the darkness of space

• Planets that reflect the sunlight.

Multiple Choice

As the mass of a star increases the gravity will _________

• increase
• decrease
• stay the same

Multiple Choice

As the distance between two objects in space increases the gravity will _______________

• increase
• decrease
• stay the same

Multiple Choice

Small objects have gravitational pull like you and me?

• True
• False

Multiple Choice

Which model has greater gravitational attraction (if any)

• Model A
• Model B
• Both Model A and Model B (same gravity)

Multiple Choice

Which system has the greater gravitational attraction between the two objects (if any)?

• System A
• System B
• Same gravitational attraction fro System A and System B

Multiple Choice

All the celestial bodies including the space between them, form part of....

• planet earth

• the universe

• the galaxy

• the black hole

Multiple Select

(CHOOSE TWO CORRECT ANSWERS)

The stars we can see from Earth is due to...

• a huge amount of inner energy released as light

• their proximity to our planet

• the sunlight being reflected

• chemical reactions occurring in them

Multiple Choice

Galaxies are...

• asteroids passing by and remaining together.

• a complex of millions of stars closer to one another due to gravity.

Multiple Select

(CHOOSE TWO CORRECT ANSWERS) Which image matches the description?:

"Irregular galaxies don't have a certain shape and are mainly composed by young stars."

Multiple Select

(CHOOSE TWO CORRECT ANSWERS) Which image matches the description?:

"Elliptic galaxies are mainly formed by stars in their last phase of life."

Multiple Select

(CHOOSE TWO CORRECT ANSWERS) Which image matches the description?:

"Spiral galaxies look like a disc with arms. They are composed of young stars, although some old stars may be found in them."

Multiple Choice

Choose the WRONG option:

• In one arm of the Milky Way it is found our solar system.

• Earth is part of the Milky Way.

• The Sun is not part of the Milky Way.

• We live in a spiral galaxy.

Multiple Choice

what is a star

• is the collection of large and small bodies that orbit our central star

•  is a large celestial body that is composed of gas and emits light. 

• is a large collection of stars, gas, and dust.

• is space and all the matter and energy in it.

Multiple Choice

what is the galaxy

•  is the collection of large and small bodies that orbit our central star

• is a large celestial body that is composed of gas and emits light. 

• is space and all the matter and energy in it.

• is a large collection of stars, gas, and dust.

Multiple Choice

what is the solar system

•  is a spherical body that orbits the sun.

•  is the collection of large and small bodies that orbit our central star

• s a large celestial body that is composed of gas and emits light. 

• is a large collection of stars, gas, and dust.

Multiple Choice

what is Irregular galaxies

• look like spheres or ovals and do not have spiral arms.

• is the distance that light travels through space in one year.

• appear as splotchy, irregularly shaped “blobs

Multiple Choice

what is Elliptical galaxies

• is a large collection of stars, gas, and dust held together by gravity.

• look like spheres or ovals and do not have spiral arms.

•  are shaped like pinwheels.

Multiple Choice

what is Spiral galaxies

• appear as splotchy, irregularly shaped “blobs.

• are shaped like pinwheels. They have a central bulge from which two or more spiral arms extend.

• look like spheres or ovals and do not have spiral arms

Multiple Select

Gravity depends on...

• Mass

• Volume

• Distance

• Density