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Grade Nine Science Exam Review

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Quiz on Grade Nine Science Exam Review, created by 371153 on 31/01/2016.
371153
Quiz by 371153, updated more than 1 year ago
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Created by 371153 about 8 years ago
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Resource summary

Question 1

Question
The major source of energy for earth is
Answer
  • Plants
  • Oxygen
  • The Sun
  • Food

Question 2

Question
The Earth's solid outer layer is the
Answer
  • Core
  • Atmosphere
  • Biosphere
  • Lithosphere

Question 3

Question
[blank_start]Extinct[blank_end]- A species that has died, and no longer remains on Earth
Answer
  • Extinct
  • Extirpated
  • Threatened
  • Endangered

Question 4

Question
-A species that no longer exists in a certain area is [blank_start]extirpated[blank_end] [blank_start]-Threatened:[blank_end] a species that is likely to become [blank_start]endangered[blank_end] if factors reducing it's survival are not changed - [blank_start]Endangered[blank_end]: a species facing imminent [blank_start]extirpation or extinction[blank_end]
Answer
  • extirpated
  • -Threatened:
  • endangered
  • Endangered
  • extirpation or extinction

Question 5

Question
CELLULAR RESPIRATION EQUATION [blank_start]oxygen[blank_end] + [blank_start]sugar[blank_end] > [blank_start]carbon dioxide[blank_end] + water + energy
Answer
  • oxygen
  • )(
  • sugar
  • ???
  • carbon dioxide
  • ?

Question 6

Question
Label The Hydrologic Cycle
Image:
11f62ae5-148e-4f44-a0bd-d23c5fe7a35f.gif (image/gif)
Answer
  • Surface run-off
  • runoff
  • Accumaltion
  • evaporation
  • Condensation
  • Precipitation
  • Runoff
  • Transpiration
  • (condensation)

Question 7

Question
The Carbon Cycle includes Cellular Respiration and Photosynthesis
Answer
  • True
  • False

Question 8

Question
Ecosystem- all living organisms and their chemical and physical [blank_start]environment[blank_end]
Answer
  • environment

Question 9

Question
How can humans restore biodiversity?
Answer
  • Plant trees
  • Pick up garbage
  • walk instead of driving
  • hunting

Question 10

Question
A representation of the feeding relationships within a community
Answer
  • Food Web
  • Food Chain

Question 11

Question
A sequence of organisms, each feeding on the next, showing how energy is transferred from one organism to another
Answer
  • Food Web
  • Food Chain

Question 12

Question
The process in which the Sun's energy is converted into chemical energy is called cellular respiration
Answer
  • True
  • False

Question 13

Question
Biodiversity: a number of different types of [blank_start]organisms[blank_end] in an area
Answer
  • organisms

Question 14

Question
the level of an organism in an ecosystem depending on it's feeding position along a food chain
Answer
  • Carrying capacity
  • Trophic level
  • Ecological Niche
  • Sustainability

Question 15

Question
the maximum population size of a particular species that a given ecosystem can sustain
Answer
  • sustainability
  • ecological niche
  • carrying capacity

Question 16

Question
Sustainability: The ability to maintain [blank_start]an ecological balance[blank_end]
Answer
  • an ecological balance

Question 17

Question
[blank_start]Ecological Niche[blank_end] : The function a species serves within an ecosystem, Including what it eats, and what eats it as well as behaviour
Answer
  • Ecological Niche

Question 18

Question
In Open Ecosystems , things [blank_start]can[blank_end] leave and enter and in Closed Ecosystems things [blank_start]cannot[blank_end] leave or enter
Answer
  • can
  • cannot

Question 19

Question
Int[blank_start]ra[blank_end]specific- Competition between same species ex. bear vs. bear
Answer
  • ra
  • er

Question 20

Question
Int[blank_start]er[blank_end]specific - competition between different species ex. bear vs. wolf
Answer
  • er
  • ra

Question 21

Question
The Sun is made up of
Answer
  • Hydrogen (25%) and Helium (75%)
  • Hydrogen (75%) and Helium (25%)
  • Fire and Heat

Question 22

Question
Why can we see non-luminous objects?
Answer
  • They give off light
  • Due to light reflected by the Sun.

Question 23

Question
The spinning of an object on it's axis
Answer
  • Rotation
  • Revolution

Question 24

Question
The movement of the Earth around the Sun.
Answer
  • Rotation
  • Revolution

Question 25

Question
[blank_start]New Moon[blank_end] : occurs every 29.5 days when the unilluminated side of the moon is facing Earth (so it is not visible)
Answer
  • New Moon

Question 26

Question
[blank_start]Blue Moon[blank_end] : The name for the second full moon to occur in a month, (this only occurs every 2.7 years)
Answer
  • Blue Moon

Question 27

Question
Occurs when the shadow if the moon falls on the Earth. The Earth passes through the moon's shadow.
Answer
  • Lunar Eclipse
  • Solar Eclipse

Question 28

Question
Occurs when the moon passes through the Earth's shadow.
Answer
  • Lunar Eclipse
  • Solar Eclipse

Question 29

Question
[blank_start]Constellation[blank_end] : a grouping of stars as observed from Earth
Answer
  • Constellation
  • Asterism
  • Stars

Question 30

Question
[blank_start]Asterism[blank_end] : a pattern of stars (example-Big Dipper)
Answer
  • Asterism
  • Constellation

Question 31

Question
a celestial object that travels around a planet or a dwarf planet
Answer
  • Satellite
  • Asterism
  • Comet

Question 32

Question
Made of carbon and silicon rock
Answer
  • comet
  • asterism
  • nebulae

Question 33

Question
A meteor is a lump of rock, trapped in Earth's gravity
Answer
  • True
  • False

Question 34

Question
The nebulae is the first stage of a star's life
Answer
  • True
  • False

Question 35

Question
[blank_start]Gravity[blank_end] - The force that attracts anything with mass to the center of the Earth
Answer
  • Gravity

Question 36

Question
The brightest star in the sky is
Answer
  • the Sun
  • the Moon
  • Sirius

Question 37

Question
How easily something can dissolve in a liquid is called [blank_start]solubility.[blank_end]
Answer
  • solubility.

Question 38

Question
To conduct electricity
Answer
  • amps
  • conductivity

Question 39

Question
Density is the amount of [blank_start]mass[blank_end] to a certain [blank_start]volume.[blank_end]
Answer
  • mass
  • volume.

Question 40

Question
Three things required for combustion
Answer
  • Fuel
  • Oxygen
  • Heat
  • Fire

Question 41

Question
Neutrons have a ... charge.
Answer
  • Neutral
  • Positive
  • Negative

Question 42

Question
Protons have a ... charge.
Answer
  • positive
  • negative
  • neutral

Question 43

Question
Electrons have a ... charge.
Answer
  • Positive
  • Negative
  • Neutral

Question 44

Question
Atoms have a ____ charge.
Answer
  • Positive
  • Negative
  • Neutral

Question 45

Question
Ground state means
Answer
  • Little to no energy
  • Full of energy (given off as light, heat or sound)

Question 46

Question
Excited state means
Answer
  • Full of energy (given off as light, heat or sound)
  • Little to no energy

Question 47

Question
The formula for density is
Answer
  • mass divided by volume
  • Volume divided by mass

Question 48

Question
A physical change is a change of state. Which are examples of a physical change?
Answer
  • Candle wax melting
  • Rusting metal
  • Ice melting into water
  • Chopping up a carrot

Question 49

Question
Chemical change - [blank_start]bubbles[blank_end] , new colour appears , form of precipitate , energy change. Examples- baking a cake or metal rusting
Answer
  • bubbles

Question 50

Question
LAWS OF ELECTRIC CHARGES [blank_start]Repulsion[blank_end]- same charges repel [blank_start]Attraction[blank_end]- opposites attract
Answer
  • Repulsion
  • Attraction

Question 51

Question
Electric charge can be created by the [blank_start]movement of electrons.[blank_end]
Answer
  • movement of electrons.

Question 52

Question
The force moving electrons in an electric circuit
Answer
  • Voltage
  • Current
  • Resistance

Question 53

Question
The amount of electrons moving in a circuit is called the current
Answer
  • True
  • False

Question 54

Question
Resistance [blank_start]slows[blank_end] down the flow of electrons.
Answer
  • slows

Question 55

Question
Current Electricity is the controlled flow of [blank_start]electrons[blank_end] through a [blank_start]conductor[blank_end].
Answer
  • electrons
  • conductor

Question 56

Question
[blank_start]Amps[blank_end] is the number of electrons passing through per second.
Answer
  • Amps
  • Volts

Question 57

Question
The four basic parts of an electric circuit are
Answer
  • Amps, Volts, Current or Resistance
  • Source, Load, Connectors, Control device
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