7th Grade Science Review Question Preview (ID: 37645)


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What are the three types of protists?
a) Amoeba, Bacteria, Paramecium
b) Amoeba, Paramecium, Euglena
c) Ammonia, Paramecium, Euglena
d) Bacillus, Coccus, Spiral

Which sequence is the correct level of organization of the human body?
a) cells, organs, tissue, body system
b) organs, tissue, cells, body system
c) cells, tissue, body system, organ
d) cells, tissue, organs, body system

What is a difference between plant and animal cells?
a) Plant cells have a larger vacuole than an animal cell
b) Plant cells contain a cell wall
c) Plant cells and animal cells are shaped differently
d) All the Above

What is the control center of the cell?
a) Cell Wall
b) Mitochondria
c) Nucleus
d) Cell Membrane

What is the charge of a proton?
a) Positive
b) Negative
c) Neutral
d)

What is the charge of a neutron
a) Neutral
b) Positive
c) Negative
d)

The atomic number makes up
a) Neutrons, Protons
b) Protons, Electrons
c) Electrons, Neurons
d)

How do you find the number of neutrons for an element?
a) Multiply the atomic mass by the atomic number
b) Add the atomic mass by the atomic number
c) Subtract the atomic mass by the atomic number
d)

What is the function of the excretory system?
a) Rids of waste from the body
b) Breaks down food for nutrients
c) Protects the organs in your body
d)

An example of a physical change is...
a) Baking a cake
b) Fireworks
c) Bon Fire
d) Ice cream melting

What is commensalism?
a) One organism benefits the other is harmed
b) Both organisms benefit
c) One organism benefits the other is not affected
d)

Do you need all of your body systems to live?
a) Yes
b) No
c)
d)

Abiotic means
a) Living
b) Not Living
c)
d)

What is humus in soil?
a) Sand
b) Dead material
c) A dip for chips
d)

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