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WorksheetsScience Midterm Review
Total questions: 33
Worksheet time: 16mins
Name
Class
Date
1.
What is the first step of the Scientific Method?
a)
Hypothesis
b)
Research
c)
Purpose/Question
d)
Analyze Results
2.
When you write a hypothesis, it is important to include these three parts: _______________ , _____________ , & ______________ .
a)
If, Then, Because
b)
Who, What, Where
c)
If, Then, Predict
d)
Because, What, Prediction
3.
In an experiment, the variable that we change is the __________ variable.
a)
Prediction
b)
Control
c)
Dependent
d)
Independent
4.
In an experiment, the variable that is affected by our changes (the result) is the ______________ variable.
a)
Independent
b)
Dependent
c)
Control
d)
Hypothesis
5.
The variable that we keep the same in order to make the experiment fair is the _______________.
a)
Independent
b)
Dependent
c)
Control
d)
Question
6.
Rainfall that is not absorbed by soil and travels to the ocean is called __________.
a)
Sewage
b)
Run-off
c)
Evaporation
d)
Condensation
7.
The passage of water vapor from a plant to the atmosphere is called _____________.
a)
Transpiration
b)
Evaporation
c)
Precipitation
d)
Condensation
8.
The process that occurs when water changes from a liquid to a gas, caused by heat
a)
Condensation
b)
Evaporation
c)
Precipitation
d)
Transpiration
9.
The cooling of water in the atmosphere changing a gas to a liquid
a)
Condensation
b)
Evaporation
c)
Precipitation
d)
Transpiration
10.
Most of the freshwater on Earth is found in ________________
a)
Lakes
b)
Rivers
c)
Glaciers & Ice Caps
d)
Streams
11.
Most of the water on Earth is found in __________________.
a)
Clouds
b)
Lakes
c)
Underground
d)
Oceans
12.
Surface currents (in the ocean) or mainly driven by ____________.
a)
Wind
b)
Temperature
c)
Mermaids
d)
Hurricanes
13.
The deep ocean current system that loops all the way around the globe is called the ____________ _____________ ____________ ______________.
a)
Convection Current Ocean Winds
b)
Global Ocean Conveyor Belt
c)
Eastern Australian Current
d)
Temperature and Salinity Currents
14.
The word "salinity" refers to the _______ ________ of the water.
a)
salt content
b)
heat
c)
density
d)
temperature
15.
What is the definition of "climate"?
a)
The weather forecast for a region
b)
The weather in a region over an extended period of time
c)
The amount of snow predicted for a city
d)
The daily high and low temperature
16.
Why do regions near the Equator have warmer temperatures (on average) than any other place on Earth?
a)
The Equator is closer to the sun
b)
The Equator receives the most direct sunlight year-round
c)
The Equator never receives rain
d)
The sun is hotter at the Equator
17.
Convection currents are caused by a difference in _____________
a)
Temperature
b)
Salinity
c)
Salt Content
d)
Water
18.
The ____________ _____________ is the effect that causes moving objects to veer to the right in the northern hemisphere and to the left in the southern hemisphere.
a)
Wind Patterns
b)
Convection Currents
c)
Coriolis Effect
d)
Rotation Effect
19.
The Coriolis Effect is caused by Earth's ___________
a)
Sunlight
b)
Rotation
c)
Weather
d)
Atmosphere
20.
__________ is the measure of the amount of matter in an object.
a)
Density
b)
Mass
c)
Volume
21.
___________ is the measure of the amount of space an object or substance takes up.
a)
Volume
b)
Mass
c)
Density
22.
____________ is the measure of how tightly packed molecules are in an object or substance.
a)
Mass
b)
Volume
c)
Density
23.
What happens to the molecules in matter when heat (energy) is added?
a)
speed up and expand
b)
condense and speed up
c)
condense and slow down
d)
expand and slow down
24.
When an object is less dense than water, then it will __________
a)
Float
b)
Sink
25.
The Law of Conservation of Mass states that _________________________....
a)
Matter can be created and destroyed
b)
In a chemical reaction, matter is destroyed
c)
Matter cannot be created or destroyed
26.
In what type of change (physical or chemical) is a new substance formed?
a)
Chemical
b)
Physical
27.
Which one is NOT a physical property of matter?
a)
Mass
b)
ability to rust
c)
Solubility
d)
Volume
28.
What is the main difference between a physical and chemical change?
a)
Chemical changes always involve fire
b)
Physical changes do not change the state of an object
c)
A physical change does not change the chemical composition or a substance and a chemical change forms a NEW substance
29.
The process of copper reacting with oxygen to form malachite is a __________
a)
Chemical Change
b)
Physical Change
c)
Magic
30.
All living things are made of ____________.
a)
Skin
b)
Cells
c)
Snow
d)
Plastic
31.
Which organelle helps plant cells to make food out of sunlight?
a)
Mitochondria
b)
Chloroplast
c)
Nucleus
d)
Cell wall
32.
Which type of cell has a cell wall?
a)
Plant Cell
b)
Animal Cell
33.
If you could compare the nucleus of the cell to a building, which one would be the most accurate?
a)
Power plant
b)
Pet store
c)
City hall
d)
Restaurant
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