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Earth Science MCA review
Earth Science MCA review
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8th grade MCA review
Flashcards
60 cards
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Questions
60
Answers
1
Conglomerate is a rock made of pieces of other rocks cemented together. What type of rock is it
Porphyry
Metamorphic
Igneous
Sedimentary
2
The process through which the sun's energy reaches the Earth is called what?
Convection
Radiation
Conduction
Sunlight
3
What moon phase would we see from Earth when the moon is in position 3 in its orbit?
Third (last) quarter
First quarter
Waning crescent
Waxing gibbous
4
What two forces keep a planet in orbit around a star?
Mass and weight
Gravity and inertia
Gravity and mass
Gravity and motion
5
What is the principal external energy source which drives the weather on Earth?
The sun
Heat from inside the Earth
Conduction
Convection
6
What type of eclipse is shown in the diagram?
Partial lunar
Annular eclipse
Lunar eclipse
Solar eclipse
7
You can conclude from the graph that the more water a plant gets, the more it will grow.
True
False
8
Which variable from the data table goes on the Y (vertical ) axis of a graph?
Number of tadpoles
pH of water
Water temperature
Size of tadpoles
9
From the graph, How much daily water was best for plant growth?
5 ml
7 ml
10 ml
2 ml
10
Millimeters are an SI unit of measurement. How many millimeters are in a centimeter?
10
1000
100
1
11
Which variable from the data table is the
independent
(manipulated) variable?
Number of tadpoles
Size of tadpoles
pH of water
Water temperature
12
What is the volume of liquid in the graduated cylinder?
41 ml
50 ml
40 ml
43 ml
13
Where on the diagram would you expect the most violent earthquakes to occur?
In subduction zones
In continental rift zones
At transform plate boundaries
At diverging plate boundaries
14
Which variable on the graph is the Independent (manipulated) variable?
The number of weeks
The number of plants
Daily amount of water
Plant growth
15
When more air molecules are put into a 2 liter bottle, the air pressure in the bottle will
Increase
Stay the same
Decrease
16
Which object in our solar system has the most gravitational attraction?
Neptune
Sun
Earth
Jupiter
17
As sugar dissolves in warm water, what is happening to the sugar molecules?
They enter the spaces between the water molecules
They combine with water molecules
They separate into smaller pieces called atoms
They evaporate into the air
18
Which method of heat transfer is shown by the arrows?
Convection
Radiation
Precipitation
Conduction
19
In a garden, which factor affecting the growth of pepper plants is a living factor?
The kinds of bacteria living in the soil
The amount of sunlight the plants receive
The amount of water the plants receive
The temperature of the air
20
How long is the period of revolution of the Earth?
24 hours
365.25 days
1 day
365 days
21
Choose one adaptation that makes a duck more suited to feed on water plants than other birds.
Tail feathers
Wings
Feet
Head
22
What type of eclipse is shown in the diagram?
Partial solar
Annular
Lunar
Total solar
23
What is the primary factor that contributes to the change of seasons?
The 23.50 tilt of the Earth on its axis.
The Earth changes distance from the sun during its orbit.
The Earth experiences changes in the amount of sunlight.
Different air masses move over the continent during the year
24
What causes the Earth's moon to go through all 8 of it's phases?
The Earth casts a shadow on the moon as it orbits the Earth.
Different portions of the moon are light up by the sun.
We are able to see diff. amounts of the lit half of the moon
25
How much liquid is in the beaker?
115 ml
100 ml
140 ml
125 ml
26
What type of change occurs when sugar dissolves in water?
Color
Chemical
Molecular
Physical
27
What do plants take in from the air?
Sunlight
Carbon dioxide
Water
Oxygen
28
Which of the boxes in the diagram has the greatest density of air molecules?
A
B
C
None of them
29
How many stars are in our solar system?
One
Millions
Trillions
Billions
30
Centimeters are an SI unit of measurement. How many centimeters are in a meter?
1000
50
100
10
31
Convert 650 milliliters into liters.
65.0 Liters
6.50 Liters
0.650 Liters
6500 Liters
32
Predict how long it would take the sugar to dissolve at a temperature of 80 degrees C.
110 seconds
145 seconds
40 seconds
475 seconds
33
What moon phase would we see when the moon is in position 8 in its orbit?
waning crescent
Waning gibbous
3rd quarter
Waxing crescent
34
What do plants release into the air?
Starch
Carbon Dioxide
liquid water
oxygen
35
If b is a recessive gene for blue eye color what are the odds of a child having blue eyes?
50%
100%
25%
0%
36
Grams, pounds, ounces, and kilograms all are units used to measure what physical property?
length
Volume
mass
density
37
At a temperature of 20 degrees C, how long did it take for the sugar to dissolve?
20 minutes
145 seconds
less than 100 seconds
145 minutes
38
Gallons, liters, cups, and teaspoons are all units used to measure what physical property?
Length
Density
Volume
Mass
39
When wood burns in a fire, it is an example of a _____________________ change.
Chemical
Physical
Color
Phase
40
When water changes from liquid to a gas, this is an example of a ______________________ change.
Physical
Chemical
Color
Mass
41
What force was mostly responsible for creating the canyon in the picture?
Deposition
Wind
Erosion
Rain
42
Which statement explains why winds are often weaker at night and get stronger during the day?
Wind results from changes in water vapor content of the air
Wind results when rain or snow falls from clouds
Wind results where skies change from cloudy to clear.
Wind results from the unequal heating of the air
43
A beaker of sugar water is heated until all the water is gone. What happened to the water?
The water changed state from a liquid to a solid
The water changed state from a liquid to a gas
The water changed into a solid
The water changed into hydrogen and oxygen
44
Granite is an igneous rock that has large crystals. Is it intrusive, extrusive, or porphyry?
Porphyry
Intrusive
Extrusive
45
What is the name of this moon phase?
Waning crescent
3rd (last) quarter
Waxing gibbous
New moon
46
What should a farmer do to prevent too much fertilizer from being put on a field?
Apply fertilizer right before planting
Measure the amount of minerals the soil needs
Measure the amount of water in the soil
Apply fertilizer and water at the same time
47
Which properties of matter change when water is poured into a graduated cylinder?
Volume
Phase
Mass
Shape
48
If air temperature increases, how will the water droplets in fog be affected?
Increasing temps moves the water droplets to local lakes
Increasing temps forces the water droplets underground
Increasing temps returns the water droplets to the ocean
Increasing temps keeps the water droplets in the atmosphere
49
Which variable from the data table goes on the X (horizontal) axis of a graph?
Time
Hours
Temperature
Degrees F
50
Which planet in our solar system has a faster period of revolution?
Venus
Earth
Mars
Neptune
51
Basalt is a dark colored, igneous rock with fine crystals. Where did this rock cool and harden?
Near or on the Earth's surface
Deep in the Earth and near the surface
Deep inside the Earth
52
In which position (1, 2, 3, or 4) is the northern hemisphere beginning summer?
Position 3
Position 2
Position 4
Position 1
53
From the graph, how much plant growth occurred for plant 2 after two weeks?
6 inches
2 inches
3 inches
0.5 inches
54
At which plate boundary is new crust being made?
Converging plate boundary
New crust is not being made any where on the Earth
Transform plate boundary
Diverging plate boundary
55
The diagram shows a cross section through the Earth's crust. Which layer is the oldest?
Layer R
Layer B
Layer M
Layer I
56
Which fossil(s) in the diagram is the oldest?
The clam shells
They are all the same age
The horse
The dinosaur skull
57
How does the temperature of water affect how fast sugar will dissolve?
The colder the water the faster the sugar will dissolve.
The temperature of water has no affect
The warmer the water the slower the sugar will dissolve
The colder the water the slower the sugar will dissolve
58
Generally speaking, which phase of matter has the greatest density?
Solid
Plasma
Liquid
Gas
59
A beaker measures liquid using what units?
Centimeters
Inches
milliliters
Grams
60
How many grams are in a kilogram?
10000
10
100
1000
