What causes the day and night shifts on Earth?
Earth's rotation around its own axis
Star in the center of the solar system
The Sun
The Sun
What galaxy is our Solar System in?
Milky Way
The largest planet in our solar system
Why do we have seasons?
Because the Earth's axis is tilted
How many planets are in the solar system
8
Stars form in large clouds of gas and dust called
nebulla
What is a huge group of billions of stars called?
Galaxy
Hottest planet in our Solar System
Venus
Which season happens when your part of Earth is tilted toward the Sun?
summer
Name the gas planets
Jupiter, Saturn, Uranus, Neptune
What is the huge explosion that can happen when a massive star dies?
Supernova
What do we call the huge explosion that started the Universe?
Big Bang
Some black holes spin so fast they can twist space and time around them. (true or false)
true
What is the force that pulls everything toward the center of Earth?
Name the rocky planets
Mercury, Venus, Earth, Mars
What is the final stage of a small/medium star like the Sun?
white dwarf
Why do we see some galaxies moving away from us?
Because Universe keeps expanding
There is a theory that on these two planets, it rains diamonds
Neptune and Uranus
If Earth didn’t spin, what would happen?
there would be no day and night; one side would always be hot, the other cold
Name the planets in the right order
Mercury → Venus → Earth → Mars → Jupiter → Saturn → Uranus → Neptune
After a supernova, a very massive star can collapse into this extremely dense object with gravity so strong that not even light can escape.
Black hole
Put these events in the correct order from first to last:
The Universe starts expanding
Stars form
The Big Bang happens
Planets form
Galaxies form
Big Bang → expansion → first stars → stars cluster into galaxies → planets form around stars
This planet’s day is longer than its year.
Venus