Shared Flashcard Set

Details

Chapter 1
What is Earth Science, Scientific Method, Measurements
20
Environmental Studies
9th Grade
01/23/2013

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Cards

Term
What is Earth Science?
Definition
the name for the group of sciences that deals with Earth and its neighbors in space.
Term
Hypothesis
Definition
stating a possible explanation
educated guess
Term
Theory
Definition
extensive tested hypothesis and widely accepted by the scientific community
can still be proven wrong
Term
Law
Definition
99% true
Law of Gravity
Term
What is step 1 of the scientific method?
Definition
Problem/Question
-what you want to know
Term
What is step 2 of the scientific method?
Definition
Research
-learn about the topic
Term
What is step 3 of the scientific method?
Definition
Hypothesis
-educated guess
Term
What is step 4 of the scientific method?
Definition
Experiment
-test the hypothesis
Term
What is step 5 of the scientific method?
Definition
Collect data, measurements, and observations
Term
What is step 6 of the scientific method?
Definition
Analyze data
Term
What is step 7 of the scientific method?
Definition
Draw conclusion
-accept, reject, or modify the hypothesis
Term
______________ means how long something is.
Definition
length/distance
m, km, cm, mm
meter stick or ruler
Term
____________means how much heat an object has.
Definition
temperature
oC, 0F, K
thermometer
Term
________________is how much matter is in an object.
Definition
mass
g, kg, mg,
balances, triple beam balance, and electronic scale
Term
______________is how much space an object takes up.
Definition
volume
L, mL, cm3, cc (mL)
graduated cylinders and rulers
Term
Volume of a regular object (block)
Definition
L x W x H
Term
How do you determine volume of liquids?
Definition
use graduated cylinders
Term
How do you determine volume of irregular objects like a rock?
Definition
water displacement with a graduated cylinder
Term
density
Definition
mass per unit volume
g/mL or g/cm3
D = m/v
Term
What is the density of water?
Definition
1 g/mL
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