20 questions
The earth is only planet that revolves around the sun . (True or false)
Which of these people was the first to set foot on the Moon?
Neil Armstrong
Jim Lovell
Luke Skywalker
Orville Wright
The Milky Way is the galaxy that contains our Solar System.
True
False
What is the study of the universe and how it changes with time?
Meteorology
Astronomy
Botany
Zoology
Who studies the planets and the sun in our own solar system, as well as other stars, solar systems, galaxies, and the whole universe?
Geologist
Paleontologist
Astronomers
Chemist
Which is the largest object in our solar system?
Moon
Mars
Venus
Sun
The surface of the sun is called ______________________.
photosphere
chromosphere
sunspots
flares
__________________ are darker,cooler areas on the sun's photosphere.
corona
sunspots
flares
solar wind
Which is the outer layer of the sun's atmosphere?
solar wind
corona
sunspots
chromosphere
The Milky Way is the galaxy that contains our Solar System.
True
False
How hot is the Earth's inner core?
5000 to 9000 degrees F
9000 degrees F
9000 to 11000 degrees F
9000 to 13000 degrees F
Where do the high temperatures of the Earth's inner core come from?
From the leftover heat of Earth's formation, gravity and radioactive decay.
From the gravitational forces around Earth and the Sun.
From the Sun and the moon.
From the leftover heat of Earth's formation, the moon's gravity field and the Sun.
The Earth's core is a solid ball of metal.
True
False
Even though the inner core is very hot, the elements do not _________________ , and remain in a ________________ state.
freeze, solid
melt, liquid
crumble, solid
melt, solid