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Revised Year End 7th grade Science Quiz Flashcards | StudBud
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Revised Year End 7th grade Science Quiz
Revised Year End 7th grade Science Quiz
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1
Which of the following is not the non-metals' properties?
low melting point
brittle
shiny
low boiling point
2
What does this picture represent?
mixture of elements and compounds
compound
mixture of elements
mixture of compounds
3
What does this picture represent?
mixture of elements
compound
element
mixture compounds
4
Which group is the
least
reactive group on the periodic table?
noble gases
alkali metals
alkaline earth metals
5
What process describes a gas changing BACK to a liquid
Condensation
Evaporation
Infiltration
Transpiration
6
In the atmosphere, where is it good to have ozone and where is bad to have ozone?
It is good in the tropsphere and bad in the stratosphere
It is good in the stratosphere and bad in the tropsphere
7
A student wonders: Does the
number of fins
affect
how high a rocket goes
? What is their INDEPENDENT VARIABLE?
Height of the rocket
Number of fins
The amount of alka seltzer in their rocket
Weather outside
8
Accord to Bill Nye the Science Guy...
"Science, yup."
"Science is pretty good"
"Science rules!"
"Science has it's moments"
9
Which
phase
of the moon is this?
Third Quarter
Full Moon
First Quarter
10
What powers the water cycle?
Magic!
The Sun's radiant energy
Hydroelectric power
The Wind
11
Which stage of ecological succession typically occurs first after a volcanic eruption destroys all life in an area?
Secondary succession
Intermediate succession
Apocalypse
Primary succession
12
When there is friction, some of an object's energy is "lost" (transferred) to this type of energy.
Electrical Energy
Thermal Energy
Elastic Energy
13
Which group is the most reactive group on the periodic table?
alkali metals
noble gases
alkaline earth metals
14
Burning your hand by touching a hot pan is this type of heat transfer
Convection
Conduction
Radiation
15
Heat always flows from ___________ to ___________.
It does not flow
hot, cold
cold, hot
16
__________________ break down dead organisms into simpler compounds and return them to an ecosystem.
Carnivores
Omnivores
Producers
Decomposers
17
Where are the Metals vs Nonmetals in the Periodic Tables ?
Metals: Top, Non-Metals: Bottom
Metals: Left, NonMetals: Right
Metals: Left Side, Non-Metals: Bottom
Metals: Right, NonMetals: Left
18
Which phase change turns a liquid into a solid?
Melting
Evaporation
Condensation
Freezing
19
Which of the following is
NOT
a phase change?
Dissolving
Freezing
Evaporation
Melting
20
Which of these are examples of kinetic energy? (two correct answers)
Electrical Energy
Chemical Energy
Gravitational Energy
Thermal Energy
21
During photosynthesis plants release this gas into the atmosphere.
Carbon
Glucose
Oxygen
Nitrogen
22
Which of the following is an ABIOTIC factor
Water temperature
Lily pads
Frog population
A catfish eating a plant
23
Which is true about sea breezes?
The ocean warms up more quickly than the cooler land masses.
The land warms up more quickly than cooler ocean waters
They form when both the land and the ocean have cool temps
When both the land and the ocean have warmer temperatures.
24
The study of of how things interact with one another and their environment.
all of the above
ecology
biology
zoology
25
On this roller coaster where is the
most Potential Energy
?
Halfway up the loops
At the bottom
In the river
At the top
26
Where would a person measure the LOWEST air pressure reading?
By the ocean
Top of the mountain
Halfway up the mountain
27
What thing bugs your teachers the most?
Leaving gum wrappers on the floor and gum under tables
Yelling wrong answers during Kahoot!
People touching other people's computers
These all bother Ms. Crowley
28
These are between metals and non metals, having properties of both
Nonmetalloids
Nonmetals
Metalloids
Metals
29
When the altitude increases, what happens to the air density?
It increases
It decreases
It stays the same
30
On this coaster where is the
most Kinetic Energy
?
At the top
Near the very bottom of the first hill
Halfway up the loops
In the woods next to it
31
What is the difference between groundwater and runoff?
Runoff ends up in the ocean. Groundwater always freezes.
Groundwater soaks into the ground. Runoff goes into bodies of water
Groundwater evaporates. Runoff soaks into the ground.
32
Less dense warm fluids flow __________.
upward
downward
33
Which of the following is a limiting factor?
Lots of space
Lots of water
Lots of food available to eat
Lots of predators
34
Which of the following involves an
INCREASE
in kinetic energy from the input of heat energy?
Deposition
Evaporation
Condensation
Freezing
35
What level of organization
best describes
this huddle of penguins?
Population
Ecosystem
Community
Organism
36
A student measures the
pH
of a water sample to be
10
. Which is considered . . .
Neutral
Acidic
Basic
37
What word describes all the mammals, fish, plants, & ABIOTIC factors such as the amount sun and soil type?
none of the above
ecosystem
biosphere
community
38
What kind of pollution comes from a specific site you can point to?
point source pollution
non point source pollution
water pollution
air pollution
39
An organism that eats meat.
lion
consumer
carnivore
all of the above
40
Is this moon phase waxing or waning?
Waning
Waxing
41
Where do animals get the nitrogen they need to live?
Eating plants or animals
Breathing it from the air
Drinking water
42
Watersheds are...
Sheds with water in them
Water with sheds in them
An area of land that creates ecosystem stability
An area of land that supplies water to a river system
43
Burning your hand by touching a hot pan
Convection
Radiation
Conduction
44
Which list shows the properties of metals?
good conductors of heat, dull, shiny
malleable, ductile, brittle
good conductor of electricity, shiny, malleable
dull, insulators & brittle
45
Climate is best represented by . . .
30+ years
1 day
1 month
1 year
46
What type of charge does a hydrogen atom have on a water molecule?
negative
positive
none
both
47
If there were no plants or trees, what would happen to the level of CO
2
in the atmosphere?
It would increase
It would decrease
48
Which of these are examples of potential energy? (two correct answers)
Thermal Energy
Gravitational Energy
Electrical Energy
Chemical Energy
49
When a substance freezes, the atoms move...
Faster & farther apart
Slower & closer together
Father & closer together
Slower & farther apart
50
What does the ozone layer do?
Absorbs UV radiation from the sun
Protects from gamma rays
Protects from meteors
51
Which of Earth’s spheres includes all of the mountains on Earth?
Hydrosphere
Biosphere
Geosphere
Atmosphere
52
How are the water molecules spaced in solid water versus liquid water?
same
closer together
farther apart
the same
53
How near or far you are from the equator is called
GPS
Latitude
Longitude
54
Because of the law of conservation of energy, we know that in energy transformations this amount of energy is lost.
None
Some
All
55
What is it called when water vapor is released into the air by plants?
evaporation
sublimation
transpiration
condensation
56
Which letter shows a transformation that involves an
increase
in kinetic energy from an input of heat energy?
B
A
C
57
Salt water is a mixture of two compounds.
False
True
58
How has the rate of global warming changed in recent years?
It has increased at a steady rate over the last 100 years.
It has increased at a rapid rate in recent years.
It has decreased.
It has leveled out.
59
Which reservoir in the water cycle contains the most water?
Groundwater
Oceans
Lakes
Atmosphere
60
What is this moon's
shape
?
crescent
gibbous
quarter
61
What causes surface ocean currents to curve?
Earth is round.
Earth turns (rotates) on its axis.
The pull of the moon on Earth.
The tilt of Earth’s axis.
62
A hawk eats a mouse. Which one is the predator?
both
mouse
neither
hawk
63
The part of the solution that does the dissolving is known as the __________.
Solvent
Solution
Colloid
Solute
