Earth,s place Flashcards
What is the name of the galaxy that contains Earth?
The Milky Way Galaxy
True or False: Earth is the only planet known to support life.
True
Fill in the blank: Earth orbits the Sun in approximately _____ days.
365
What is the average distance from Earth to the Sun?
About 93 million miles or 150 million kilometers
Which planet is known as the ‘Red Planet’?
Mars
What is the term for the region of space beyond the planets that contains stars and galaxies?
The universe
Multiple Choice: Which of the following is NOT a terrestrial planet? A) Venus B) Earth C) Jupiter D) Mars
C) Jupiter
What is the name of our solar system’s star?
The Sun
True or False: The Milky Way is a spiral galaxy.
True
What is the approximate number of galaxies in the observable universe?
About 2 trillion
Fill in the blank: Earth has _____ natural satellites.
1
What is the main component of Earth’s atmosphere?
Nitrogen
Which layer of the Earth is liquid?
The outer core
Multiple Choice: Which of the following is the largest planet in our solar system? A) Earth B) Saturn C) Jupiter D) Neptune
C) Jupiter
What phenomenon describes the apparent motion of the stars and planets in the sky?
The rotation of the Earth
True or False: The universe is expanding.
True
Fill in the blank: The closest star system to Earth is _____.
Alpha Centauri
What is the term used for the path that Earth takes around the Sun?
Orbit
Which planet is known for its prominent ring system?
Saturn
What is the approximate age of the Earth?
4.5 billion years
Multiple Choice: Which of the following is a gas giant? A) Earth B) Mars C) Neptune D) Venus
C) Neptune
True or False: The Earth’s tilt is responsible for the seasons.
True
What is the main source of energy for Earth?
The Sun
Fill in the blank: The observable universe is estimated to be about _____ billion light-years in diameter.
93
