WorksheetsHS ESS
Total questions: 23
Worksheet time: 46mins
Name
Class
Date
1.
The basic units of matter, the smallest units that maintain the chemical properties of an element, are called ______.
a)
atoms
b)
lipids
c)
compounds
d)
molecules
2.
Because of their large size, proteins, nucleic acids, carbohydrates, and lipids are together called ______.
a)
elements
b)
compounds
c)
macromolecules
d)
micromolecules
3.
Why is water often called “the universal solvent”?
a)
It can dissolve many other molecules
b)
Water can turn into a solid form.
c)
Water is a type of solution.
d)
It solves most of the world’s environmental problems.
4.
Predator-prey relationships are an example of a _____.
a)
system with no feedback
b)
positive feedback loop
c)
negative feedback loop
d)
destabilizing system
5.
Which sphere of Earth is made of all the rock above and below Earth's surface?
a)
lithosphere
b)
geosphere
c)
hydrosphere
d)
atmosphere
6.
Which sphere are humans a part of?
a)
geosphere
b)
hydrosphere
c)
biosphere
d)
atmosphere
7.
A change in state in which water returns to Earth's surface and changes from a vapor to a liquid is called
a)
condensation
b)
transpiration
c)
evaporation
d)
recharge
8.
Matter that organisms require for their life processes are called
a)
legumes
b)
decomposers
c)
fertilizers
d)
nutrients
9.
What products are created by the process of photosynthesis?
a)
the sun's light and energy
b)
oxygen and carbohydrates
c)
phosphorus and nitrogen
d)
carbon dioxide and water
10.
The central core of very atom, containing particles called protons and neutrons, is called a(n)
a)
electron
b)
bond
c)
nucleus
d)
compound
11.
Which type of macromolecule is composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur, and can produce tissues, act as hormones, and serve as enzymes?
a)
proteins
b)
lipids
c)
nucleic acids
d)
carbohydrates
12.
Water molecules are composed of
a)
two oxygen atoms and two hydrogen atoms.
b)
one oxygen atom and two hydrogen atoms.
c)
two oxygen atoms and one hydrogen atom.
d)
one oxygen atom and one hydrogen atom.
13.
Which of Earth’s spheres consists of the layers of gases surrounding our planet?
a)
geosphere
b)
biosphere
c)
atmosphere
d)
hydrosphere
14.
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)
d. It provides liquids for animals to drink.
15.
Water which returns from the atmosphere to Earth’s surface as rain or snow is called
a)
evaporation
b)
transpiration
c)
condensation
d)
precipitation
16.
Nutrients circulate endlessly throughout the environment in complex cycles called
a)
eutrophication cycles
b)
respiration cycles
c)
photosynthesis cycles
d)
biogeochemical cycles
17.
What is the term for organisms, including plants and algae, that create their own food?
a)
consumers
b)
producers
c)
legumes
d)
decmposers
18.
In extreme cases, eutrophication can lead to extremely low levels of oxygen in a body of water as decomposers break down all the dead producers, a condition called
a)
hypoxia
b)
nitrogen fixation
c)
respiration
d)
photosynthesis
19.
Sometimes, an output of a system is also an input for the same system.
a)
True
b)
False
20.
Tectonic plates move apart from one another at convergent plate boundaries.
a)
True
b)
False
21.
Oceans, polar ice caps, and groundwater would all be considered part of Earth’s atmosphere.
a)
True
b)
False
22.
Water also enters the atmosphere by condensation, the release of water vapor by plants through their leaves.
a)
True
b)
False
23.
The phosphorus cycle keeps phosphorus availability naturally high.
a)
True
b)
False
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