Introduction to Natural Science Flashcards
7 cards from real CLEP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Introduction to Natural Science flashcards as text
What is the closest star to Earth?
Answer: The Sun
The Sun is the nearest star, at the center of our solar system.
Which process converts nitrogen gas into a form plants can use?
Answer: Nitrogen fixation
Nitrogen fixation converts atmospheric nitrogen into usable compounds.
What state of matter has a definite volume but no definite shape?
Answer: Liquid
A liquid keeps a fixed volume but takes the shape of its container.
Which part of the human body produces insulin?
Answer: Pancreas
The pancreas produces insulin to regulate blood sugar levels.
What phenomenon causes the apparent bending of light as it passes between media?
Answer: Refraction
Refraction is the bending of light as it changes speed between media.
Which of the following is a renewable energy source?
Answer: Solar power
Solar power is renewable because sunlight is continuously replenished.
What is the term for the variety of life forms within an ecosystem?
Answer: Biodiversity
Biodiversity describes the variety of species in an ecosystem.