,1. Multiple Choice: Which of the following is a fundamental concept in the
water cycle?
a) Condensation
b) Sublimation
c) Photosynthesis
d) Transpiration
Correct Answer: a) Condensation
Rationale: Condensation is a key process in the water cycle where water
vapor becomes liquid.
2. Fill-in-the-Blank: The process by which plants convert sunlight into
chemical energy is known as __________.
Correct Answer: Photosynthesis
Rationale: Photosynthesis is the process used by plants to convert light
energy into chemical energy.
3. True/False: In an ecosystem, producers are organisms that consume
other organisms for energy.
Correct Answer: False
Rationale: Producers are organisms that produce energy-rich compounds
through photosynthesis.
, 4. Multiple Response: Select all that apply. Which of the following are types
of simple machines?
a) Lever
b) Incline plane
c) Pulley
d) Atom
Correct Answers: a) Lever, b) Incline plane, c) Pulley
Rationale: Levers, incline planes, and pulleys are all types of simple
machines; atoms are not.
5. Multiple Choice: What is the primary function of the respiratory system
in humans?
a) To digest food
b) To circulate blood
c) To exchange gases
d) To filter waste
Correct Answer: c) To exchange gases
Rationale: The respiratory system's main function is the exchange of
oxygen and carbon dioxide.
6. Fill-in-the-Blank: The force that attracts two bodies toward each other is
called __________.
Correct Answer: Gravity
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