GEOLOGY 1010 LECTURE 1 EXAM
QUESTIONS WITH CORRECT
ANSWERS
What was the Theia impact and when did it occur? - Answer- Earth and Theia collided,
destroying Theia in the process, 80-200 MA after Earth formed
What are the 3 consequences of the Theia impact? - Answer- lunar formation, molten
planet, and density stratification
Describe lunar formation - Answer- debris from the impact combined (accredited) to
form the moon
Describe molten planet - Answer- the solid rocky material at Earth's surface melted back
down, Earth became a planet of magma
What is science? - Answer- a discipline meant to help people understand the world
around them
What two things are science based on? - Answer- fact and principle
What is a fact? - Answer- something that can be repeatedly demonstrated to be true
What is a principle? - Answer- ideas fundamental to science, a major discovery or
breakthrough
What do scientists use to explain problems? - Answer- the scientific method
Step 0 of the Scientific Method - Answer- observation
Step 1 of the Scientific Method - Answer- to ask a question
Step 2 of the Scientific Method - Answer- Form a hypothesis
What two things must a hypothesis be? - Answer- Testable and predictive
QUESTIONS WITH CORRECT
ANSWERS
What was the Theia impact and when did it occur? - Answer- Earth and Theia collided,
destroying Theia in the process, 80-200 MA after Earth formed
What are the 3 consequences of the Theia impact? - Answer- lunar formation, molten
planet, and density stratification
Describe lunar formation - Answer- debris from the impact combined (accredited) to
form the moon
Describe molten planet - Answer- the solid rocky material at Earth's surface melted back
down, Earth became a planet of magma
What is science? - Answer- a discipline meant to help people understand the world
around them
What two things are science based on? - Answer- fact and principle
What is a fact? - Answer- something that can be repeatedly demonstrated to be true
What is a principle? - Answer- ideas fundamental to science, a major discovery or
breakthrough
What do scientists use to explain problems? - Answer- the scientific method
Step 0 of the Scientific Method - Answer- observation
Step 1 of the Scientific Method - Answer- to ask a question
Step 2 of the Scientific Method - Answer- Form a hypothesis
What two things must a hypothesis be? - Answer- Testable and predictive
