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Massive 7th Grade Science SAGE Review

Total questions: 72

Worksheet time: 39mins

Name
Class
Date
1.
a force that causes a change in motion of an object
a)
friction
b)
balanced force
c)
unbalanced force
d)
force
2.
the amount of material in a substance
a)
inertia
b)
force
c)
mass
d)
motion
3.
A ___________________ is A push or a pull. Anything that can change the state of motion of an object.
a)
inertia
b)
force
c)
friction
4.
___________________ is a force that attracts an object towards the center of the Earth
a)
friction
b)
gravity
c)
force
5.
_____________________ is a force that holds back the motion of a sliding object. Occurs when an object moves against another.
a)
friction
b)
gravity
c)
force
6.
Newton's ___________ laws states: An object at rest will stay at rest until an unbalanced force acts on it.  An object in motion will stay in motion until an unbalanced force acts on it.
a)
1st
b)
2nd
c)
3rd
7.
Newton's ___________ laws states: The acceleration of an object (how much it speeds up or slows down) depends on the object’s mass and how much force is applied to it.
a)
1st
b)
2nd
c)
3rd
8.
Newton's ___________ laws states: For every action force, there is an equal and opposite reaction force
a)
1st
b)
2nd
c)
3rd
9.
You are push a shopping cart. It hits a bump in the floor and stops, but a can of beans goes flying out.
This is an example of: 
a)
Newton's 1st law
b)
Newton's 2nd law
c)
Newton's 3rd law
10.
It takes more force to move a bowling ball than it takes to move a tennis ball.
This is an example of: 
a)
Newton's 1st law
b)
Newton's 2nd law
c)
Newton's 3rd law
11.
A cannonball is shot forward and the cannon moves back
This is an example of: 
a)
Newton's 1st law
b)
Newton's 2nd law
c)
Newton's 3rd law
12.
the picking up and removal of rock particles 
a)
humus
b)
erosion
c)
deposition
d)
moraine
13.
rock that forms when hot, liquid rock material cools and hardens into a solid
a)
igneous rock
b)
metamorphic rock 
c)
sedimentary rock
d)
sand 
14.
rock that forms from pieces of other rocks that are squeezed together 
a)
metamorphic rocks
b)
sand
c)
igneous rock
d)
sedimentary rock 
15.
age of a rock compared to another rock
a)
relative age
b)
absolute age
c)
age
16.
breaking down of rocks into smaller pieces by natural processes
a)
mass wasting
b)
weathering
c)
erosion
d)
deposition 
17.
trace, imprint, or remains of a living thing preserved in Earth's crust
a)
Archeologist
b)
fossil
c)
bone
d)
stone age
18.
in addition to weathering and erosion what factors can change a rock into a metamorphic rock
a)
pressure and deposition
b)
pressure and heat
c)
heat and chemical weathering
d)
chemical weathering and deposition
19.
which statement about superposition is true?
a)
in a series of rock layers the bottom is the youngest
b)
in a series of rock layers the bottom is the oldest
c)
in a series of rock layers it the top is the oldest
d)
in terms of age rock layers are all mixed up 
20.
Mountains form from....
a)
Plates sliding past one another
b)
collision of plates
c)
plates moving away from each other
d)
none of these
21.
Oceanic crust is.....
a)
Younger and less dense than continental crust
b)
Thinner, younger, and more dense than continental crust
c)
older, thicker, and less dense than continental crust
d)
Bigger and younger than continental crust
22.
Earth's plates are....
a)
Constantly moving and changing the face of the Earth
b)
Never moved
c)
Move seldom and very fast
d)
move when they feel like it
23.
What was the name given to all the continents when they were joined as one super continent?
a)
Supreme Continent
b)
Eurasia
c)
Plate tectonics
d)
Pangea
24.
Plate movement is caused by _____
a)
The rotation of the Earth
b)
Ocean tides
c)
Convection current in the mantle
d)
The moon's gravity
25.
Which of the following is NOT an example of a fossil?
a)
a petrified dinosaur bone
b)
a footprint captured in mud
c)
a seashell found on the beach
d)
an insect stuck in amber
26.
In which kind of rock do we usually find a fossil?
a)
sedimentary  rock
b)
metamorphic rock
c)
igneous rock
27.
In order for a fossil to form, which of the following events must happen FIRST?
a)
Slowly, minerals in the water replace the bone.
b)
Sediment covers the bone.
c)
An animal dies.
d)
The bone is no longer a bone, but a rock copy.
28.
Lily sees a skeleton of a dinosaur at a museum. What is true about the bones that make up the skeleton?
a)
The bones are made up of minerals.
b)
The bones are those of the dinosaur itself.
c)
The bones were formed from mud that hardened.
d)
The bones are made up of amber.
29.
What is the function of the cell membrane?
a)
Supports and protects the cell
b)
Controls the cell
c)
Controls what enters and leaves the cell
d)
Metabolic reactions occur here
30.
What is the function of the cytoplasm?
a)
Stores water and mineral ions
b)
It holds all the organelles in place
c)
a.Controls what enters and leaves the cell
d)
Supports the cell
31.
What is the function of the mitochondria?
a)
Pack and ship proteins
b)
Make proteins
c)
Make energy (ATP)
d)
Removes waste
32.
I am located in the leaves of plants, but NOT the roots. Who am I?
a)
Lysosomes
b)
Chloroplasts
c)
Vacuole
d)
Mitochondria
33.
What are two structures that are found in plant cells that are not found in animal cells?
a)
mitochondria and ribosomes
b)
cell wall and chloroplast
c)
cell membrane and centrioles
d)
nucleolus and endoplasmic reticulum
34.
Which is not a part of cell theory?
a)
All organisms are made of cells
b)
All existing cells come from preexisting cells
c)
All matter is composed of living cells
d)
The cell is the most basic unit of life
35.
Which of the following best describes cells?
a)
The larger the living thing, the larger its cells
b)
Cells are the building blocks of life
c)
Every living thing has the same number of cells
d)
There is only one kind of cell
36.
Is a lion at the zoo considered to be living or non-living?
a)
Living
b)
Non-living
37.
Is soil (dirt) considered to be living or non-living?
a)
Living
b)
Non-living
38.
Which is NOT a requirement for living things?
a)
organisms must be made of cells
b)
organisms must grow and develop
c)
organisms must breathe
d)
organisms must respond to their environment 
39.
Which is NOT a requirement for living things?
a)
organisms must maintain homeostasis 
b)
organisms must use energy
c)
organisms must reproduce
d)
organisms must eat food
40.
Describe the job of the chloroplast in the cell
a)
the control center of the cell (located in the middle of the cell)
b)
make food for the cell
c)
break down the food into energy for the cell
d)
allows materials to move in and out of the cell
41.

Describe the job of the nucleus in the cell

a)

store and protect the DNA

b)

make food for the cell

c)

break down the food into energy for the cell

d)

allows materials to move in and out of the cell

42.
Describe the job of the cell wall in the cell
a)
protects the cell and helps hold its shape (on the outside)
b)
make food for the cell
c)
break down the food into energy for the cell
d)
allows materials to move in and out of the cell
43.
Which of the follow statements about the organization of living systems is true?
a)
Tissues are made up of various cell types
b)
organs are made up of various organ systems
c)
cells are made up of various organs
d)
tissues are made up of various organisms
44.
Which is the correct order of organization of all living systems (all five levels)
a)
cells, organs, tissues, organ systems, organisms
b)
organism, tissues, cells, organ systems, organs
c)
cells, tissues, organs, organ systems, organisms
d)
cells, organs, organ systems, tissues, organisms
45.

Why does sexual reproduction result in more genetic diversity than asexual reproduction?

a)

Traits from two parents are combined.

b)

More organisms reproduce this way.

c)

Offspring grow in different environments.

d)

Offspring come from identical parents.

46.
Organisms that reproduce asexually generally have offspring that are 
a)
unicellular. 
b)
multicellular. 
c)
genetically varied. 
d)
genetically identical. 
47.
A plant that has traits identical to the parent plant provides evidence that the plant...
a)
resulted from sexual reproduction. 
b)
resulted from asexual reproduction. 
c)
will develop many seeds. 
d)
will have large leaves. 
48.
Daffodils are plants that can perform both asexual and sexual reproduction. How does a daffodil population benefit more by reproducing sexually than asexually? 
a)
It can reproduce more rapidly. 
b)
It can adapt faster to its environment. 
c)
It can increase the diversity of inherited traits. 
d)
It can eliminate unfavorable traits from the gene pool. 
49.
Which of the following is a part of the process of sexual reproduction? 
a)
budding
b)
regeneration 
c)
pollination 
d)
fragmentation 
50.
Which is the greatest benefit of sexual reproduction? 
a)
capable of reproducing by meiosis 
b)
ability to reproduce without a mate 
c)
ability to produce genetically different offspring 
d)
capable of producing offspring genetically identical to parent 
51.
In order to grow two of the exact same plants, a person would reproduce them asexually because the
a)
genetic diversity is greater. 
b)
offspring would be genetically identical. 
c)
recessive traits would emerge. 
d)
negative traits are suppressed. 
52.
When an egg and sperm form an embryo, the offspring that is formed will have genetic traits that are 
a)
inherited from only one parent. 
b)
created by the environment. 
c)
passed on from two parents. 
d)
learned from siblings. 
53.
Which trait below is inherited?
a)
Purple Hair
b)
Pierced Ears
c)
Eye color
d)
Math skillz
54.
Which trait below is acquired?
a)
Buff muscles
b)
Earlobe attachment
c)
Natural skin tone
d)
Hair texture (curly or straight)
55.
What molecule contains genes that give us the traits we have?
a)
DNA
b)
mitochondria
c)
H2O
d)
RNA
56.
What kind of reproduction do flowering plants use?
a)
Sexual 
b)
Asexual
c)
Unisexual
d)
Non-sexual
57.
What adaptation do flowering plants have that allow them to reproduce and survive their environments better?
a)
Brightly colored petals
b)
Short stamens
c)
Long leaves
d)
Happy stems
58.
What is a mutation?
a)
an x-man
b)
a small change to DNA
c)
a protein
d)
a choice
59.
The gradual change in species over time
a)
adaptation
b)
evolution
c)
mutation
d)
natural selection
60.
A trait that helps an organism survive and reproduce
a)
evolution
b)
mutation
c)
adaptation
d)
selective breeding
61.
When individuals are better adapted and more likely to survive
a)
selective breeding
b)
cross-breeding
c)
inbreeding
d)
natural selection
62.
Any difference between individuals of the same species
a)
mutation
b)
selection
c)
variation
d)
hybrid
63.
The preserved remains of an organism
a)
era
b)
fossil
c)
period
d)
record
64.

No member of the species is alive

a)

selective breeding

b)

extinct

c)

hybrid

d)

natural selection

65.
A trait that helps an organism survive and reproduce is called a(n)
a)
adaptation
b)
mutation
66.
How does natural selection lead to evolution
a)
stronger offspring kill weaker members of the species
b)
helpful variations grow among the living members of the species
67.

This image shows four different finches Charles Darwin found while on the Galapagos Islands. Which of these would be most adapted to eating nuts and seeds?

a)

Geopiza fortis

b)

Geospiza magnirostris

c)

Certhidea olivacea

d)

Geopiza parvula

68.

Some giraffes have long necks and some have shorter necks. The ones with longer necks can reach food sources like tall trees as well as eat grasses on the ground. How will this difference MOST LIKELY help the giraffe population?

a)

Their number will remain unchanged.

b)

Over time, more will have longer necks.

c)

Giraffes will move from place to place for food.

d)

There will be great differences among the giraffe population.

69.

Consider the model for natural selection. In a population of living things, genetic variation exists. One source of variation is mutation. Which scenario listed here could be a mutation that causes members of a population to die out?

a)

In a population of sunflowers, mutations cause some flower heads to produce more seeds.

b)

In a population of brownish rabbits that live in the tundra, some are born with fur that turns white in the winter.

c)

In a population of fast-running cheetahs, some are born that run slower than most.

d)

In a populations of birds, mutations result in different beak sizes so the birds do not compete for food in the area.

70.

Consider the model for natural selection. Describe a scenario that represents this model of natural selection.

a)

In a population of rabbits, some are brown all year long. When it snows these rabbits cannot hide from predators and they become extinct.

b)

In a population of sunflowers, mutations cause some flower heads to produce more seeds. More seeds means that there are more sunflower plants over time.

c)

In a populations of birds, mutations result in different beak sizes so the birds do not compete for food in the area. The bird population is made up of birds with many different types of beaks.

d)

In a population of herbivores, a change in the habitat provides leaves that are high up in the trees. The herbivores with longer necks can reach the leaves. They survive and reproduce. The herbivores, over time, have longer necks.

71.

Darwin hypothesized that there are definite steps to natural selection. Consider the model here. Use the Roman numerals (I - III) to guide you through the steps. Which is an accurate description of Darwin's hypothesized theory of natural selection?

a)

Sexual reproduction of bacteria cause variation. Some bacteria survive and some do not. Over time all of the bacteria should become extinct.

b)

In any population, variation exists. Some bacteria are resistant to antibiotics. Most bacteria die, but the bacteria that are resistant survive and reproduce.

c)

In a population of bacteria that are exposed to antibiotics, some bacteria change their genetic make-up and survive. The new genetic make-up is passed on to offspring.

d)

There is a change in the environment: an antibiotic is added. Some of the bacteria are capable of changing to the new environment. They survive and reproduce, passing along their favorable traits.

72.

Many plants have thorns on their stems or leaves. What is the MOST likely explanation for the evolution of thorns?

a)

Thorns help plants produce more food from photosynthesis.

b)

Thorns are an example of a mutation that arises in the genetic code of plants.

c)

Thorns help plants to conserve resources like water and soil nutrients that may be used by other organisms.

d)

Thorns are an adaptation that some plants have evolved in order to discourage herbivores from eating the plant.

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