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Praxis Exam 5436 General Science Questions and Answers Already Graded A
What is the process called when water vapor cools and changes back into liquid droplets?✔✔Condensation
Which organ system regulates hormones and maintains homeostasis?✔✔Endocrine system
What is the function of the stomata on plant leaves?✔✔To allow gas exchange
What is the difference between speed and velocity?✔✔Velocity includes direction; speed does not
What is the primary cause of seasons on Earth?✔✔The tilt of Earth's axis as it orbits the Sun
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What type of energy transformation occurs in a light bulb?✔✔Electrical energy to light and heat energy
What is the term for a substance that speeds up a chemical reaction without being consumed?✔✔Catalyst
What is the unit of force in the metric system?✔✔Newton
What is the process by which plants lose water vapor through their leaves?✔✔Transpiration
What kind of organism breaks down dead material and recycles nutrients back into the ecosystem?✔✔Decomposer
What is the name of the galaxy that contains our solar system?✔✔Milky Way 2 / 3
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What is the primary role of ribosomes in a cell?✔✔Protein synthesis
What property of light causes it to change direction when passing through a prism?✔✔Refraction
What does the pH scale measure?✔✔The acidity or alkalinity of a solution
What type of energy do sound waves carry?✔✔Mechanical energy
What is the primary gas responsible for global warming?✔✔Carbon dioxide
What term describes the change in a species over generations?✔✔Evolution
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