7th Map Review/practice Question Preview (ID: 41666)
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How is beach erosion different from deposition in a stream?
a) Beach erosion is a destructive process, and deposition in a stream is constructive process
b) deposition in a stream is caused by animal s and beach erosion is caused by weathering
c) beach erosion creates habitats and stream deposition destroys new habitats for organisms
d) stream deposition happens only in freshwater and beach erosion happens only in saltwater.
An object is made from material that is hard and shiny and can be hammered into thin sheets. Which of these is another likely property of the material?
a) it is a good conductor of heat
b) it has a low boiling point
c) it dissolves in water
d) its density is less than of water
how does fluffing its feathers help a bird control its temperature?
a) It keeps the bird warm because air is a good insulator
b) there is less space in the nest so the bid traps the heat
c) this increase in size of the bird will create areas for airflow
d) the movement of the bird will keep it warm from body heat
What happens at the melting point of a substance?
a) the substance begins to turn from a solid into a liquid
b) the substance begins to turn from a gas into a liquid
c) the substance begins to turn from a liquid into a gas
d) the substance begins to turn from a gas into aliquid
Dillon makes a soup which of these represents a chemical change?
a) burning the gas
b) opening the can of broth
c) chopping up the veggies
d) filling the pot with the ingredients
which statement explains the position of the side of Earth where it is night
a) the side of the Earth is facing away from the sun
b) The side of the earth is facing the moon
c) the side of the earth is being blocked by the moon
d) the side of the earth is between the sun and the moon
In places that have cold winters, people spread salt on icy roads and sidewalks. Which of these does the salt do to the ice?
a) It lowers the freezing point of water, causing the ice to melt
b) It raises the density of ice, causing it to be less slippery.
c) It destroys the matter of ice, causing the ice to break apart.
d) It increases the boiling point of ice, causing it to turn into water.
which is a physical property
a) color
b) burning
c) baking
d) cooking
Which action involving an egg is a physical change?
a) cracking
b) boiling
c) frying
d) scrambling over a hot stove
Which adaptation of the panda bear allows it to eat bamboo and survive?
a) Pandas have six toes and a head with strong jaws.
b) Pandas have black and white coloring.
c) Pandas have several sounds they can make.
d) Pandas have strong legs that they can use to climb.
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