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Review Test 2
Test Description: Final review 42212 part 2
Instructions: Answer all questions to get your test result.
1) Which statement about the structure of an atom is true?
A
Protons are much more massive than neutrons.
B
Electrons are not found in the atomic nucleus.
C
Protons have a negative charge.
D
A proton ‘cloud’ surrounds each atom.
2) Which statement about the structure of an atom is true?
A
An electron ‘cloud’ surrounds each atom.
B
A proton ‘cloud’ surrounds each atom.
C
Protons and electrons are roughly equal in mass.
D
Neutrons are not found in the atomic nucleus.
3) Water in the cracks of rocks freezes and expands when the temperature drops below freezing, and melts when the temperature rises above freezing. Over ext
A
deposition
B
chemical change
C
erosion
D
physical change
4) Which of these best defines what happens when limestone rock reacts with acidic water?
A
chain reaction
B
a mixture is formed
C
physical change
D
chemical change
5) Which is an example of a chemical change?
A
melting snow
B
rubbing alcohol evaporating from an open bottle
C
water freezing on the surface of a pond
D
digestion of food
6) Eva toasts a marshmallow over a fire. Which of these is not evidence that a chemical change has occurred?
A
The marshmallow gives off an odor.
B
The interior of the marshmallow melts.
C
The outside of the marshmallow turns black.
D
A new substance with new properties is created on the outside of the marshmallow.
7) Which of these best describes the interaction of living things with the landscape?
A
Plants and animals which live and die in soil return nutrients to the soil.
B
Living organisms do not play an essential role in the development of fertile soil.
C
Plant roots are not strong enough to weather rock they encounter while growing.
D
Organisms depend on soil, but the development of soil is not dependent upon organisms.
8) What is TRUE about the cells from sharks, toads, and snakes?
A
Toads and snakes are made of cells but sharks are not.
B
The cells of these animals perform similar functions
C
The cells of these animals do not perform any of the same functions.
D
Sharks and toads do not have as many cells as snakes.
9) All woodpeckers have strong, chisel-like beaks designed for tapping on trees. What is the most likely reason that the woodpecker’s beak represents a successful adaptation?
A
The woodpecker uses its beak to groom itself.
B
The woodpecker uses its beak to drill holes in trees to find insects to eat.
C
The woodpecker uses its beak to scare off other woodpeckers.
D
The woodpecker’s beak is a powerful weapon used to fight off predators.
10) Your body has organs that help you breathe. These organs make up the respiratory system. What is one part of the respiratory system?
A
large intestine
B
lungs
C
stomach
D
pancrea
*select an answer for all questions
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