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Grade 7 Science
Grade 7 Science
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A Grade 7 #Science 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 plant is used to make morphine?
Poppies
Cotton Plant
Trees (duh)
Dandelions
2
What is one of the 3 main scales used for measuring temperature?
Degrees
Fahrenheit
Kelvin
Celcius
3
What is the process of Gas-Solid and Solid-Gas?
Evaporation & Condensation
Sublimation
Evaporation & Solidification
Fusion & Solidification
4
Which of these is a part of the water cycle?
Lake
Precipitation
Rain
Run-off
5
What are the main rock types?
Igneous, Metamorphic, Sand
Sand, Mountain, Boulder, Volcano
Surface Rock, Lava Rock, Water Rock
Igneous, Metamorphic, Sedimentary
6
The transfer of energy through matter by direct collisions of vibrating particles is called
Insulator
Radiation
Conduction
Convection
7
What is symbiosis?
People coming up with new symbols
Animals playing together in a yard
Relationships based on associations between species
A relationship based on people being together
8
Particles expand when...
Frozen
Dropped
Cooled
Heated
9
Weight changes when you move from planet to planet
True
False
10
_________ species is when an animal is not native the area they are in
New
Extinct
Non-Native
Introduced
11
Water expands when it freezes
True
False
12
What are the 3 types of symbiosis?
Mutualism, Commensalism, Paralysis
Commensalism, Parasitism, Mango
Parasitism, Mutualism, Communism
Parasitism, Mutualism, Commensalism
13
Which of these is an example of radiant heat?
The transfer of heat from the sun to the earth
Using a hair dryer
Cooking a pancake
A potato cooking in an oven
14
What is the weight that a structure holds called?
Heavy
Weight
Mass
Load
15
What is the process from Solid-Liquid and Liquid-Solid called?
Sublimation & Solidification
Fusion & Solidification
Freezing & Melting
Evaporation & Condensation
16
Insulators are....
Objects that do not allow the passage of heat or sound
Metal rods used in circuts
The inner part of shoes
Objects that allow the passage of heat or sound
17
What is erosion?
Minerals that aren't in their respective area
Animals breaking down rock matter
The breakdown of rocks and minerals
The movement of rock and mineral grains
18
What is biological control?
When an organism that isn't native to the area is brought in
7 animals eating each other
When two animals battle to control their kind
When you use one animal to get rid of other animals
19
What is it called when chemicals leak into the soil?
Dead Soil
Residue Soil
Chemically Effected Soil
Soil Residue
20
What is the wood found in the center of the tree?
Heartwood
Xylem
Cambium
Phloem
21
What is one of the 3 plants used for fiber?
Hemp
Cotton
Flax
Polyester
22
What is Ecology and who studies it?
The study of an ecosystem | Ecologist
The study of population of people on earth | Piologist
The study of an ecosystem | Biologist
The study of population of people on earth | Ecologist
23
What does extinct mean?
The organism no longer exists anywhere in the world
It smells
The animal is over 100 years old
Plants that aren't photosynthesizing anymore
24
Dead Load
A load that is constantly changing
A load that does not change
A light load
An extremely heavy load
25
Energy has no...
Mass
Eyes
Space
Air
26
What is bioaccumulation?
The build up of chemicals through the food chain.
Chemicals getting removed from animals.
Biochemicals ruining habitats.
Humans changing animal biology.
27
Mass changes when you move from planet to planet
True
False
28
What is mechanical weathering?
Rocks moving
The physical breakdown of rocks
Rocks being moved by scientists
Rocks dying
29
What is energy?
How capable one is to do something
The measure of something's ability to do work
How many years one has been alive
The measure of things in one area
30
The living parts of an ecosystem
Biotic
Non-Living
Abiotic
Dead
31
Which one of these is an igneous rock?
Obsidian
Slate
Shale
Sand
32
What are the three states of matter
Glass, Water, Gas
Solid, Gas, Water
Gas, Liquid, Solid
Solid, Gas, Liquid, Plasma
33
Decomposers are
Calm organisms that eat plants and plants only
Organisms that eat dead or decaying plant or animal matter
Organisms that break down and absorb dead or waste materials
Organisms that hunt down other living animals
34
Where will you find larger crystals? Intrusive or Extrusive?
Intrusive
Extrusive
35
Heat and pressure can turn rocks into what type of rock?
Mineral
Metamorphic
Sedimentary
Igneous
36
Which family has a bigger ecological footprint?
Left
Right
37
What is an adaptation?
An inherited characteristic that helps an organism survive
A baby organism
An organism that moves to a different area
The area in which an organism lives
38
The transfer of energy through a liquid or a gas by the motion of currents is called
Conduction
Convection
Radiation
Insulator
39
The non-living parts of an ecosystem
Dead
Abiotic
Biotic
Living
40
What are the 4 internal forces that act on structures
Internal, International, National, Apple
Torsion, Compression, Shear, Tensor
Mass, Weight, Air, Hydrogen
Compression, Torsion, Tension, Shear
