Lecture 1

Question 1

What is a hypothesis

Answer 1

An educated guess/prediction/a proposed explanation

Question 2

What is an experiment?

Answer 2

A scientific procedure used to make a discovery, test a hypothesis or demonstrate a known fact.

Question 3

What 4 things a part of the Scientific Method

Answer 3

Laws, theories, hypothesis, tests

Question 4

What is the shape of the earth?

Answer 4

Oblate spheroid

Question 5

What are the 5 steps to the scientific method?

Answer 5

1. Observation
2. Build hypothesis
3. Make prediction
4. Design accurate test usually an experiment
5. Pass test becomes theory or fails test to be rejected or modified

Question 6

Circumference of the earth?

Answer 6

40 000km (bigger at equator)

Question 7

3 divisions of earths structure?

Answer 7

Crust, mantle, core

Question 8

2 divisions of the crust?

Answer 8

Oceanic and continental (continental is thicker)

Question 9

What does the lithosphere include?

Answer 9

The crust and upper mantel.

Question 10

What are earths 4 spheres?

Answer 10

The atmosphere, hydrosphere, biosphere, and geosphere.

Question 11

What is the main source of engerds for the tectonic system?

Answer 11

Radioactive decay