Nature of Science
What does EVERY scientific investigation begin with?
An observation or question
How many spheres are there on Earth?
5
How many layers of the atmosphere are there?
5
Winds move from areas of ______________ pressure to ______________ pressure.
High, Low
The breaking down of rock
Weathering
The part of the experiment that is changed is called a?
variable
Which sphere contains all the water on Earth?
Hydrosphere
Which layer blends in with space?
Exosphere
What's the name of the high speed wind that flows 200 mph?
The movement of rock
Erosion
A ___________________ is supported by a large body of evidence and is changed and updated over time.
a. Law b. Theory c. Fact d. Opinion
Theory
Which sphere is the only sphere with LIVING things?
biosphere
True or False: Meteors burn up in the stratosphere.
False
Winds are caused by what?
A. Movement of air
B. Uneven heating of the Earth
C. Earth's rotation
B
What type of weathering is caused by acid rain?
Chemical weathering
What part of a scientific investigation stays the same?
Constant
A rock becomes orange over time due to oxygen from the air. Which TWO spheres are interacting?
Atmosphere and Geosphere
Name something that can be found in the thermosphere.
Northern Lights (Aurora Borealis)
ISS (International Space Station)
Which wind affects most of the weather in the U.S.?
A. Prevailing Westerlies
B. Polar Easterlies
C. Trade Winds
Prevailing Westerlies
Sand dunes, deltas, and alluvial fans are all formed from what process?
A. Weathering
B. Erosion
C. Deposition
Deposition
Jennifer wants to study the effect of the amount of sunlight on plant growth. What is the independent variable?
The amount of sunlight
Glaciers melt due to increasing air temperatures. Which TWO spheres are interacting?
Cryosphere and atmosphere
Temperature and/or density
What are the doldrums and where are they located?
Calm area and near the equator
What are the FOUR factors of erosion?
Ice, Wind, Water, Gravity