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Flashcards in Scientific Method and the System(s) of Earth Deck (31)
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1

Broadly, what is the scientific method?

A systematic approach to studying natural processes. In science, it is the way that we approach problems or questions. It is a logical approach to problem solving.

2

List the 4 steps, in order, of the scientific method

1. Make Observations
2. Formulate a hypothesis, or hypotheses
3. Test the hypothesis
4. Evaluate

3

Based on ______ you will formulate hypotheses of what you think is causing an ______, problem, or question that you are seeing.

observations, effect

4

When you have any _______ or ________, the first step is to make observations

questions, problems

5

Then you design _______ to test the hypotheses

experiments

6

Once those experiments are performed they are _____ to see which ones worked and didn't work

evaluated

7

Example of scientific method usage

One morning you observe that your car is not where you expected it to be. You formulate hypotheses for what might be the reason for this. maybe one of your friends. borrowed your car and didn't tell you, or maybe you parked your car down the street and forgot where you parked it, or maybe your car got stole. In order to test them maybe you ask your friends if they borrowed the car, walk down the street to see if you parked in different spot, and check ground for broken glass. Evaluate. You call your friend and he says no I didn't borrow it. Then you go down the street and notice that the car is there.

8

As we try to understand different environments of the earth, geographers break down these environments into _______.

systems

9

Examples of systems are...

a stream, shallow water, deep water, hilltops, etc

10

We define systems based on their ______ with the environment.

interaction

11

What is an isolated system?

When no energy or or matter is exchanged with environment

12

An analogy for an isolated system is...

the perfect coffee mug.

Matter: The is no exchange any matter (coffee) meaning there is no spillage or leaking of coffee.

Energy: It doesn't exchange any energy meaning the temperature of the mug would stay exactly the same forever

13

What is a closed system?

When energy is exchanged with the environment but not matter

14

An analogy for a closed system is...

a spill proof travel mug.

Matter: no matter is spilled

Energy: the coffee slowly cools down over time because the heat is escaping through the mug

15

What is an open system?

When both energy and matter can be exchanged with the environment

16

An analogy for a open system is...

a coffee mug without a lid

17

An natural example of an open system is...

a stream

18

In a stream exchanges _____ and ______ with the surrounding systems.

matter, energy

19

Most systems on earth are _______ systems

open

20

The Earth as a whole is a ______ system that is made up of _____ sub-systems.

closed, open

21

All of the _____ that Earth has (air, rocks, water) doesn't escape to outer space.

matter,

For the most part, all that we have is all that we are ever going to have

22

What are some exceptions to this principle?

Satellites (loss of matter) , Meteorites (gain of matter)

23

The earth is a _____ system which means that ______ escapes to outer space

closed, energy

The Earth puts out heat energy, and the sun gives off heat to Earth.

24

What are the principal open sub-systems of the Earth?

Lithosphere, Hydrosphere, Atmosphere, and Biosphere

25

What is another name for sub-system?

sphere

26

The Atmosphere is all of the ___ on the Earth

air

27

The Hydrosphere is all of the ___ on the Earth

water

28

The Lithosphere is all of the ____ on the Earth

rocks, volcanic activity

29

The Biosphere is all of the _____ ______ on the Earth

living organisms

30

Each of the four sub-systems _____ with one each each-other because they are _____ systems.

interact, open