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WorksheetsEnvironmental Science Ch 3
Total questions: 22
Worksheet time: 11mins
Name
Class
Date
1.
What is the basic unit of matter?
a)
an atom
b)
a lipid
c)
a compound
d)
a molecule
2.
Because of their large size, proteins, nucleic acids, carbohydrates, and lipids are together called ______________________________.
a)
solutions
b)
elements
c)
hydrocarbons
d)
macromolecules
3.
Why is water is often called “the universal solvent”?
a)
It can dissolve many other molecules.
b)
Water can turn into a solid form.
c)
It solves most of the world's environmental problems.
d)
Water is a type of solution.
4.
A negative feedback loop has an end goal of ___________________.
a)
stability
b)
happiness
c)
destabilization
d)
creating a domino effect
5.
What sphere is made up of all the rock above and below Earth's surface?
a)
biosphere
b)
geosphere
c)
atmosphere
d)
hydrosphere
6.
The lithosphere is carried on a softer, but still firm, layer of rock called the ___________________________.
a)
crust.
b)
core.
c)
geosphere.
d)
asthenosphere.
7.
Humans are a part of which sphere?
a)
hydrosphere
b)
biosphere
c)
atmosphere
d)
geosphere
8.
What does a topographic map show?
a)
earth’s magnetic fields
b)
tectonic plate boundaries
c)
3D features of land
d)
stuff
9.
What are the 3 parts of an atom?
a)
electricity, protons and nucleus
b)
proteins, electrons, and nucleus
c)
protons, electrons, and neutrons
d)
protons, electrons, and neutrinos
10.
The central core of every atom, containing particles called protons and
neutrons, is called a _______________
neutrons, is called a _______________
a)
bond.
b)
electron.
c)
nucleus.
d)
compound.
11.
________________ are macromolecules that can act as hormones, serve as enzymes, and promote chemical reactions
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
12.
Why did the paperclip float in our lab?
a)
because water is resistant to temperature change
b)
it was less dense than water
c)
because water is a solution
d)
surface tension
13.
What is an example of bioremediation?
a)
wheat taking up toxic chemicals
b)
your friend throwing trash on the ground
c)
bacteria becoming resistant to antibiotics
d)
the great barrier reef
14.
The thin layer of rock that forms Earth’s outer skin both on dry land and in the ocean is called Earth’s __________________.
a)
core.
b)
crust.
c)
mantle.
d)
asthenosphere.
15.
What are the layers of gases surrounding our planet called?
a)
geosphere
b)
biosphere
c)
atmosphere
d)
hydrosphere
16.
What function does carbon dioxide play in Earth’s atmosphere?
a)
It provides gas for humans to breathe.
b)
It provides a high level of protection from the sun’s radiation.
c)
It keeps Earth warm through the greenhouse effect.
d)
It provides liquids for animals to drink.
17.
Water which returns from the atmosphere to Earth’s surface as rain or
snow is called _____________________
snow is called _____________________
a)
precipitation.
b)
condensation.
c)
evaporation.
d)
transpiration.
18.
What is a chemical substance with a given set of properties that cannot be broken down into substances with other properties?
a)
element
b)
compound
c)
atom
d)
molecule
19.
_______ is less dense than water.
a)
Paper clips
b)
Lead
c)
Ice
d)
Oil
20.
What is used by our bodies to store heredity or genetic information?
a)
Lipids
b)
Nucleic Acids
c)
Proteins
d)
Carbohydrates
21.
Oceans, polar ice caps, and groundwater would all be considered part of
Earth’s _________________
Earth’s _________________
a)
hydrosphere
b)
geosphere
c)
atmosphere
d)
biosphere
22.
What is divided up into Earth’s tectonic plates?
a)
the crust
b)
the lithosphere
c)
the hydrosphere
d)
earthquakes
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