Discovering The Universe Flashcards
What is the name of the theory that suggests the Earth was formed from rocks?
Big Bang Theory
True or False: The Big Bang Theory explains the formation of the Earth.
False
Which planet is known as the ‘Red Planet’?
Mars
What is the name of the theory that suggests the Earth’s continents were once connected in a single landmass?
Continental Drift Theory
Fill in the blank: The Earth is approximately ________ years old.
4.5 billion
Which planet is the largest in our solar system?
Jupiter
What is the name of the theory that suggests the moon was formed from debris after a collision between Earth and a Mars-sized body?
Giant Impact Hypothesis
True or False: The Earth’s core is primarily composed of iron and nickel.
True
Which planet is known for its beautiful rings?
Saturn
What is the name of the theory that suggests the Earth’s crust is divided into tectonic plates that move over the mantle?
Plate Tectonics Theory
Fill in the blank: The Earth’s atmosphere is composed mainly of ________ and ________.
nitrogen, oxygen
Which planet is closest to the Sun?
Mercury
True or False: The Earth’s moon is the largest moon in the solar system.
False
What is the name of the theory that suggests the Earth’s surface features were shaped by slow-moving glaciers?
Glacial Theory
Fill in the blank: The Earth’s inner core is believed to be solid due to ________ pressure.
high
