4404076
Pregunta 1
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The major source of energy for earth is
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Plants
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Oxygen
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The Sun
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Food
Pregunta 2
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The Earth's solid outer layer is the
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Core
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Atmosphere
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Biosphere
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Lithosphere
Pregunta 3
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[blank_start]Extinct[blank_end]- A species that has died, and no longer remains on Earth
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Extinct
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Extirpated
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Threatened
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Endangered
Pregunta 4
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-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]
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-
extirpated
-
-Threatened:
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endangered
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Endangered
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extirpation or extinction
Pregunta 5
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CELLULAR RESPIRATION EQUATION
[blank_start]oxygen[blank_end] + [blank_start]sugar[blank_end] > [blank_start]carbon dioxide[blank_end] + water + energy
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oxygen
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)(
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sugar
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???
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carbon dioxide
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?
Pregunta 6
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Surface run-off
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runoff
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Accumaltion
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evaporation
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Condensation
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Precipitation
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Runoff
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Transpiration
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(condensation)
Pregunta 7
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The Carbon Cycle includes Cellular Respiration and Photosynthesis
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- True
- False
Pregunta 8
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Ecosystem- all living organisms and their chemical and physical [blank_start]environment[blank_end]
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environment
Pregunta 9
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How can humans restore biodiversity?
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Plant trees
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Pick up garbage
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walk instead of driving
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hunting
Pregunta 10
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A representation of the feeding relationships within a community
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Food Web
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Food Chain
Pregunta 11
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A sequence of organisms, each feeding on the next, showing how energy is transferred from one organism to another
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Food Web
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Food Chain
Pregunta 12
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The process in which the Sun's energy is converted into chemical energy is called cellular respiration
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- True
- False
Pregunta 13
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Biodiversity: a number of different types of [blank_start]organisms[blank_end] in an area
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organisms
Pregunta 14
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the level of an organism in an ecosystem depending on it's feeding position along a food chain
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Carrying capacity
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Trophic level
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Ecological Niche
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Sustainability
Pregunta 15
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the maximum population size of a particular species that a given ecosystem can sustain
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sustainability
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ecological niche
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carrying capacity
Pregunta 16
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Sustainability: The ability to maintain [blank_start]an ecological balance[blank_end]
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an ecological balance
Pregunta 17
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[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
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Ecological Niche
Pregunta 18
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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
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can
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cannot
Pregunta 19
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Int[blank_start]ra[blank_end]specific- Competition between same species ex. bear vs. bear
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ra
-
er
Pregunta 20
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Int[blank_start]er[blank_end]specific - competition between different species ex. bear vs. wolf
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er
-
ra
Pregunta 21
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The Sun is made up of
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Hydrogen (25%) and Helium (75%)
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Hydrogen (75%) and Helium (25%)
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Fire and Heat
Pregunta 22
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Why can we see non-luminous objects?
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They give off light
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Due to light reflected by the Sun.
Pregunta 23
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The spinning of an object on it's axis
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Rotation
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Revolution
Pregunta 24
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The movement of the Earth around the Sun.
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Rotation
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Revolution
Pregunta 25
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[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)
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New Moon
Pregunta 26
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[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)
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Blue Moon
Pregunta 27
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Occurs when the shadow if the moon falls on the Earth. The Earth passes through the moon's shadow.
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Lunar Eclipse
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Solar Eclipse
Pregunta 28
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Occurs when the moon passes through the Earth's shadow.
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Lunar Eclipse
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Solar Eclipse
Pregunta 29
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[blank_start]Constellation[blank_end] : a grouping of stars as observed from Earth
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Constellation
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Asterism
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Stars
Pregunta 30
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[blank_start]Asterism[blank_end] : a pattern of stars (example-Big Dipper)
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Asterism
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Constellation
Pregunta 31
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a celestial object that travels around a planet or a dwarf planet
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Satellite
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Asterism
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Comet
Pregunta 32
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Made of carbon and silicon rock
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comet
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asterism
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nebulae
Pregunta 33
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A meteor is a lump of rock, trapped in Earth's gravity
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- True
- False
Pregunta 34
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The nebulae is the first stage of a star's life
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- True
- False
Pregunta 35
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[blank_start]Gravity[blank_end] - The force that attracts anything with mass to the center of the Earth
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Gravity
Pregunta 36
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The brightest star in the sky is
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the Sun
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the Moon
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Sirius
Pregunta 37
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How easily something can dissolve in a liquid is called [blank_start]solubility.[blank_end]
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solubility.
Pregunta 38
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To conduct electricity
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amps
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conductivity
Pregunta 39
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Density is the amount of [blank_start]mass[blank_end] to a certain [blank_start]volume.[blank_end]
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mass
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volume.
Pregunta 40
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Three things required for combustion
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Fuel
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Oxygen
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Heat
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Fire
Pregunta 41
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Neutrons have a ... charge.
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Neutral
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Positive
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Negative
Pregunta 42
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Protons have a ... charge.
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positive
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negative
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neutral
Pregunta 43
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Electrons have a ... charge.
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Positive
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Negative
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Neutral
Pregunta 44
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Atoms have a ____ charge.
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Positive
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Negative
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Neutral
Pregunta 45
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Ground state means
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Little to no energy
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Full of energy (given off as light, heat or sound)
Pregunta 46
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Excited state means
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Full of energy (given off as light, heat or sound)
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Little to no energy
Pregunta 47
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The formula for density is
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mass divided by volume
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Volume divided by mass
Pregunta 48
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A physical change is a change of state. Which are examples of a physical change?
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Candle wax melting
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Rusting metal
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Ice melting into water
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Chopping up a carrot
Pregunta 49
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Chemical change - [blank_start]bubbles[blank_end] , new colour appears , form of precipitate , energy change. Examples- baking a cake or metal rusting
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bubbles
Pregunta 50
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LAWS OF ELECTRIC CHARGES
[blank_start]Repulsion[blank_end]- same charges repel
[blank_start]Attraction[blank_end]- opposites attract
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Repulsion
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Attraction
Pregunta 51
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Electric charge can be created by the [blank_start]movement of electrons.[blank_end]
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movement of electrons.
Pregunta 52
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The force moving electrons in an electric circuit
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Voltage
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Current
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Resistance
Pregunta 53
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The amount of electrons moving in a circuit is called the current
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- True
- False
Pregunta 54
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Resistance [blank_start]slows[blank_end] down the flow of electrons.
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slows
Pregunta 55
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Current Electricity is the controlled flow of [blank_start]electrons[blank_end] through a [blank_start]conductor[blank_end].
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electrons
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conductor
Pregunta 56
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[blank_start]Amps[blank_end] is the number of electrons passing through per second.
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Amps
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Volts
Pregunta 57
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The four basic parts of an electric circuit are
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Amps, Volts, Current or Resistance
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Source, Load, Connectors, Control device
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