Periodic Table
Periodic Table
Ecosystems
Energy
Hydrosphere
100
Most metals are A) solid at room temperature. B) bad conductors of electric current. C) dull. D) not malleable.
A) solid at room temperature.
100
The rows of the periodic table are called: a. classes b. periods c. groups d. families
b. periods
100
An ecosystem is: a. affecting a certain population b. all living and non-living things in a particular area c. an increase in the Earth's temperature d. organisms that make their own food
b. all living and non-living things in a particular area
100
Which of the following is a renewable source of energy? A. Coal B. Hydropower C. Natural gas D. Petroleum
B. Hydropower
100
What is Earth's hydrosphere? a. the gases in the air b. the solid, rocky part of Earth c. all of the water on the planet d. the study of Earth's atmosphere
c. all of the water on the planet
200
Most of the elements in the periodic table are A) metals. B) metalloids. C) gases. D) nonmetals
A) metals.
200
Every atom of a given element has the same number of A) protons. B) neutrons. C) electrons. D) isotopes.
A) protons.
200
When several of the same species live and interact with other species in an ecosystem it is called a a. population b. community c. environment d. ecosystem
b. community
200
Which of the following would NOT be classified as biomass? a. wood b. animal dung c. uranium d. straw
c. uranium
200
Which body of water does not directly contribute water vapor into the atmosphere A. aquifers B. rivers C. oceans D. lakes
A. aquifers
300
Elements lying along the zigzag line on a periodic table are A) metals B) nonmetals C) metalloids D) noble gases
C) metalloids
300
Which of the following has the least mass in an atom? A) nucleus B) proton C) neutron D) electron
D) electron
300
________________ are organisms that break down and obtain energy from dead organic matter. A. Producers B. Decomposers C. Autotrophs D. Herbivores
B. Decomposers
300
Of the following choices, which best describes or defines BIOMASS? A. Massive living things B. Inorganic matter that can be converted to fuel C. Organic matter that can be converted to fuel D. Petroleum
C. Organic matter that can be converted to fuel
300
Which of the following is an example of point source pollution? A. stormwater runoff in a city B. waste water released from sewage plant C. air pollution released from industry D. acid rain
B. waste water released from sewage plant
400
The size of an element’s atomic radius __________ from left to right across the periodic table. a. increases b. decreases c. remains constant d. is randomly assigned
b. decreases
400
A carbon atom with 6 protons, 6 electrons, and 6 neutrons would have an atomic number of A) 6. B) 18. C) 12. D) 15
A) 6.
400
The biological influences on organisms within an ecosystem are called _______________. A. biotic factors B. abiotic factors C. nonrenewable resources D. biomes
A. biotic factors
400
Which of the following is NOT a renewable source of energy? A. Geothermal B. Propane C. Solar D. Wind
B. Propane
400
What happens when there is an excess of nutrients in water? A. anoxia occurs B. eutrophication occurs C. plant growth is reduced D. algae growth is reduced
B. eutrophication occurs
500
Each family, or group of elements in a vertical column of the periodic table has elements with chemical characteristics that are (A). exactly the same. (B). similar. (C). different. (D). exactly opposite.
(B). similar.
500
The elements in each vertical column on the periodic table usually have similar properties and are called a(n) A) period. B) group. C) element. D) property
B) group.
500
Which of the following two organisms are producers? A. plants and phytoplankton B. plants and consumers C. consumers and phytoplankton D. phytoplankton and chlorophyll E. phytoplankton and herbivores
A. plants and phytoplankton
500
Which of the following energy sources is not derived directly or indirectly from solar energy? a. Geothermal b. Photovoltaic c. Hydroelectric d. Biomass e. Wind
a. Geothermal
500
Which of the following statements about water quality is true? A. fast-flowing streams have low levels of dissolved oxygen B. water with high turbidity lowers the temp of the water C. cooler water contains more dissolved oxygen than warmer water D. water with a pH level of 10 or greater is optimal for all aquatic life
C. cooler water contains more dissolved oxygen than warmer water
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