Vocabulary
Encompases everything in space
The universe
What type of energies do we get from the sun?
light and heat
How old is the universe?
It is the collection of 9 planets, moon, sun, and asteroids in space.
Solar System
True or False: Gravity only works on falling objects
False
Name at least 4 different things in the universe?
solar system, planets, galaxies, stars, asteroids, the sun
What is a light year?
the distance light travels in one year
What are the people that study space called?
Astronomer
Give an example of a natural satellite
Moon
Name all 8 planets in order from the sun ......
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Neptune, Uranus
What is the name of a cloud of dust and gas held together by gravity?
Nebula
The universe has MORE or LESS than 1 million galaxies
MORE
How did the universe begin?
Big Bang Theory
In space, what is made up of dust, minerals, and rock
asteroids/meteorites
The sun is known as a...
star
What were the first two elements created during the Big Bang?
Hydrogen and Helium
What is the name of the galaxy that we live in?
The Milky Way
What are these examples of: Mercury, Venus, and Earth
Planets
When a meteorite falls to Earth it burns. What are glowing meteorites called?
shooting stars
What do scientists and astronomers use to study space?
a telescope
What is one piece of evidence that supports the Big Bang Theory
Cosmic microwave radiation
Red shift
Planets are moving away from each other
What is at the centre of the Milky Way?
A black hole