1. What is Earth Science? Chapter 1.1
Earth Science is the study of a group of sciences
Geology- study of rocks and minerals
Oceanography- study of ocean, seafloor, seawater
Meteorology- study of climate and weather
Astronomy- study of space
“logy” means the study of

2. Formation of the Earth Nebular Hypothesis
the solar system formed from enormous rotating cloud made of mostly hydrogen and helium gas

3. Review What sciences are included in the study of earth science?
Geology
(correct)
b. Oceanography
c. Astrology
(incorrect)
d. Meteorology
What theory describes how the solar system formed?
nebular theory

4. 1.2 A View of Earth What are earth’s major spheres? Hydrosphere
Atmosphere
Geosphere
Biosphere
Geosphere

5. How is the Solid Earth (Geosphere) Layered?
Crust
Mantle
Outer Core
Inner Core
Where is life located?
crust

6. Place each of the following in its correct sphere
Place each of the following in its correct sphere. (biosphere, geosphere, hydrosphere, atmosphere)
a. Sedimentary rock
Geosphere
b. Whale
Biosphere
c. Humans
d. Stream
Hydrosphere
e. Oxygen
Atmosphere
f. Ponds
g. Magma

7. h. Glaciers
Hydrosphere
i. Bacteria
Biosphere
j. Ozone
Atmospshere
k. Soil
Geosphere
l. Volcano
m. Carbon Dioxide
Atmosphere

8. Representing Earth’s Surface p. 11 Determining Location
Chapter 1.3
Representing Earth’s Surface
p. 11 Determining Location

9. How Do We Locate Things on Earth?
North - never”
West- “waffles”
East-”eat”
South- “soggy”
Never Eat Soggy Waffles

10. We use latitude and longitude on the global grid to find a location!
Latitude- distance north
and south of the equator
Longitude-
distance east
and west of the Prime
Meridian (at Greenwich, England)
Lines of longitude
Lines of latitude

11. Also called “Parallels” Also called “Meridians”
The Global Grid
Also called “Parallels”
Also called “Meridians”

12. Review
What two lines are used on globes and some maps to find a specific location?
Answer- latitude and longitude
2. What two lines mark zero degrees on the globe?
Answer- Equator and Prime Meridian

13. Maps. Maps, and More Maps! Each map is designed for a special use
Examples:
Geological map
Political map
Road map
Topographic Map

14. Population Map

17. Road Map
scale
Scale- Distance on map equals how much distance on ground

18. Road Maps Write down in your binder:
Four things you might find on a road map. 1. 2. 3. 4.
2. What is a map scale?

19. Road Maps Write down in your binder:
Four things you might find on a road map.
1. Interstates and state highways
2. Points of interest, like a park
3. Cities
4. Scale
What does a map scale of 1:24,000?
1 unit on the map is equal 24,000 units on the ground

20. Find the latitude and longitude of points a, b, c, d
Let’s Practice-
Find the latitude and longitude of points a, b, c, d
North b
West
East d a c
South

21. a 20° S 120 ° W b 60 ° N 40 ° W c 60 ° S 20 ° E d 20 ° S 20 ° W b d a

22. Representing Earth’s Surface Chapter 1.3
Topographic Maps p.14

23. Topographic Map Contour lines- Connect lines of equal elevation
What is the contour interval?
“distance between contour lines”
Answer 10 feet
2. What is located at A and B?
Answer hills B A

24. 1.5 What is Scientific Inquiry? Vocabulary Words
Write these down:
Theory
Hypothesis
Observation

25. Theory vs. Hypothesis
An educated guess or explanation of why things happened the way they did. This is called a hypothesis.
When hypothesis survives extensive testing and is accepted by the scientists it is called a theory.

26. Steps of the Scientific Method 1. ask a question 2
Steps of the Scientific Method 1. ask a question 2. develop Hypothesis 3. design experiment 4. collect data 5. analyze data 6. summarize data 7. state a conclusion 8. accept or decline hypothesis