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Science 7 Final Review Flashcards | StudBud
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Science 7 Final Review
What is symbiosis?
What is an insulator?
Science 7 Final Review
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Grade 7 Science Final Review
Flashcards
40 cards
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Practice quiz
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Host live
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Questions
40
Answers
1
What is an insulator?
Reduces the flow of heat
Increases the flow of heat
Creates condensation
Solar panels
2
What is symbiosis?
People coming up with new symbols
A relationship based on people being together
Animals playing together in a yard
Relationships based on associations between species
3
There are __________ producers than/as predators in an ecosystem.
The same number of
Less
More
4
Which does not contain a mobile joint?
Desk chairs at school
Human body
Cars
Zippers
5
Which of the following is NOT part of the particle theory of matter:
Particles are never in motion
Particles have spaces between them
Particles may be attracted to each other
Made up of tiny particles
6
A tapeworm lives inside a person. Which is the parasite and which is the host?
Person = host Worm = host
Person = host Worm = parasite
Person = Parasite Worm = parasite
Person = parasite Worm = host
7
The living parts of an ecosystem...
Dead
Abiotic
Non-living
Biotic
8
What is the energy source of the water cycle?
Thermal energy in the atmosphere
The sun's
Thermal energy in lakes and streams
Chemical energy in the water
9
______ is the easiest to compress:
Gas
Liquid
Solid
10
What is primary succession?
When plants grow back after a forest fire
When animals have many children and fill the ecosystem
When an area previously devoid of life grows plants
When the primary animals in an ecosystem start to die
11
The beauty of structures is called the __________.
Formation
Aesthetics
Building design
Color
12
When organisms are preserved as fossils, they are called...
Original remains
Trace fossils
Amber
Casts
13
What is erosion?
Animals breaking down rock matter
The breakdown of rocks and minerals
The movement of rock and mineral grains
Minerals that aren't in their respective area
14
What type of rock is made from magma under the Earth's surface?
Intrusive Igneous
Metamorphic
Extrusive Igneous
Sedimentary
15
Mass is measured in:
Joules
Graduated cylinder
Grams
Cubic cm
16
What is a push or pull?
Work
Friction
Force
Energy
17
Which one is an example of an abiotic component of an ecosystem?
Fungi
Trees
Frogs
Sunlight
18
Definition: Measure of the gravitational pull on an object
Mass
Volume
Gravity
Weight
19
What is bioaccumulation?
Biochemicals ruining habitats
The build up of chemicals through the food chain
Humans changing animal biology
Chemicals getting removed from animals
20
What is selective breeding?
Breeding plants with favorable characteristics
Growing only one type of crop in a field
Selecting only the best plants to harvest
The amount of usable material in a plant
21
What is an adaptation?
The area in which an organism lives
An organism that moves to a different area
An inherited characteristic that helps an organism survive
A baby organism
22
What are decomposers?
Garbage men that collect trash
Eats dead animals and returns nutrients to the soil
Break down dead animal and plant matter
Birds that eat roadkill to clean the highway
23
What does extinct mean?
It smells
Plants that aren't photosynthesizing anymore
The organism no longer exists anywhere in the world
The animal is over 100 years old
24
Ms. Tse placed a box on her desk which caused the desk to break. It was not able to support...
The force
The impact
The load
The gravity
25
How is intrusive rock formed?
Extreme heat and pressure
Magma cools deep in the Earth
Sediment deposits in layers at the bottom of lakes
Magma cools on the surface of the Earth
26
The non-living parts of an ecosystem...
Biotic
Living
Abiotic
Dead
27
What is an ecological footprint?
The impact a human has on the environment
How large an ecosystem is and what lives there
How much energy a person uses in a month
How many organisms are found in a particular area of land
28
What is symbiosis?
A downward part of the water cycle
Two organisms living in relationships with each other
An important part of a flower
Two organisms that live in the same ecosystem
29
A food chain starts with:
A decomposer
Prey
A producer
A predator
30
What evidence was not used to support the theory of continental drift?
Puzzle pieces of continents
Fossils
Rock types
Deep ocean trenches
31
When you heat up a substance, the particles:
Move slower and slower
Don't change their speed
Bunch closer together
Move faster and faster
32
What is a major difference between old and new mountains?
Young mountains have pointy peaks
Old mountains are made of metamorphic rock
Old mountains have pointy peaks
Young mountains are made of sedimentary rock
33
What forms of matter takes the shape of its container?
Liquid
Gas
Solid
Gas and Liquid
34
What would be the best conductor?
Glass
Metal
Concrete
Wood
35
A canoe is an example of what structure?
Mass
Frame
Shell
36
What are the 4 internal forces that act on structures?
Compression, Torsion, Tension, Shear
Mass, Weight, Air, Hydrogen
Internal, International, National, Apple
Torsion, Compression, Shear, Tensor
37
A pure substance is:
A clear solution
Made up of multiple types of matter
Made up of one type of matter
38
What are the 3 types of symbiosis?
Commensalism, Parasitism, Mango
Parasitism, Mutualism, Commensalism
Parasitism, Mutualism, Communism
Mutualism, Commensalism, Paralysis
39
What are the main rock types?
Surface Rock, Lava Rock, Water Rock
Igneous, Metamorphic, Sand
Sand, Mountain, Boulder, Volcano
Igneous, Metamorphic, Sedimentary
40
To increase a particle's motion:
Cool the material
Decrease the size
Heat the material
Increase the size
