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Middle School Science Praxis 5442 Questions and Answers Latest Version 100% Pass
What process do plants use to convert sunlight into energy?✔✔Photosynthesis
Why does the moon appear to change shape over the course of a month?✔✔Because of its phases caused by the relative positions of the Earth, moon, and sun
What is the basic unit of life in all living organisms?✔✔The cell
How do forces affect the motion of an object?✔✔Forces cause an object to start moving, stop moving, or change direction
What is the role of decomposers in an ecosystem?✔✔They break down dead organisms and recycle nutrients back into the environment
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Why is it important to wear safety goggles during a science experiment?✔✔To protect your eyes from harmful chemicals or debris
What causes seasons to change on Earth?✔✔The tilt of the Earth's axis as it orbits the sun
What is the difference between a physical change and a chemical change?✔✔A physical change alters the form of a substance without changing its identity; a chemical change produces a new substance
How does energy flow through a food chain?✔✔Energy is transferred from producers to consumers to decomposers
What are the three states of matter?✔✔Solid, liquid, and gas
What happens to water during the process of evaporation?✔✔Water changes from a liquid to a gas due to heat 2 / 3
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What is gravity and how does it affect objects on Earth?✔✔Gravity is a force that pulls objects toward the center of the Earth
Why do objects float or sink in water?✔✔Because of their density compared to the density of water
What is an example of renewable energy?✔✔Solar energy
How do plants absorb water and nutrients from the soil?✔✔Through their roots
What is the function of the human respiratory system?✔✔To take in oxygen and release carbon dioxide
Why is biodiversity important in an ecosystem?✔✔It helps maintain balance and resilience in the environment
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