WorksheetsRelationships in the Universe Review
Total questions: 17
Worksheet time: 9mins
A huge collection of stars , gas and dust
Universal
Universe
Galaxy
Solar system
Inner and Outer planets
The distance light travels in one year.
2 AUs
An astronomic unit
A light year.
93 trillion miles.
Our galaxy is called the Milky Way. It is about 100,000 light-years across. This means that _________.
The galaxy is moving at the speed of light
The galaxy is 100,000 miles across
Light takes 100,000 years to travel across the galaxy
The galaxy is expanding every 100,000 years
Which of these are evidence of the Big Bang theory (there are 3)
Cosmic microwave background radiation
Abundance of hydrogen and helium
Ms. Buckley is so old she heard the noise
The Universe has stopped expanding
Doppler Effect (Red Shift)
Which of the following is the correct order of the objects from largest to smallest?
sun, solar system, Milky Way, universe
universe, Milky Way, solar system, sun
Milky Way, sun, solar system, universe
solar system, universe, sun, Milky Way
Based on the belief that the sun is the center of the universe
heliocentric
geocentric
aphelion
parallax
A model of the universe in which Earth is at the center of the revolving planets and stars.
heliocentric
geocentric
aphelion
parallax
What two things determine the gravity of an object?
mass & weight
mass & distance
density & mass
volume & distance
When will the forces of gravity between two objects be the GREATEST?
when the masses of both objects are small and the objects are far apart
when the masses of both objects are large and the objects are close together
when the masses of both objects are small and the objects are close together
when the masses of both objects are large and the objects are far apart
When will the gravity between two objects be the LEAST?
when the masses of both objects is small and the objects are close together
when the masses of both objects is small and the objects are far apart
when the masses of both objects is large and the objects are close together
when the masses of both objects is large and the objects are far apart
The movement of Earth as it takes 24 hours to spin on its axis is called______________.
Rotation
Revolution
2.
The movement of Earth around the Sun once every 365 days is called________________.
rotation
revolution
