Natural Sciences Flashcards
6 cards from real AA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Natural Sciences flashcards as text
Which organelle is known as the powerhouse of the cell?
Answer: Mitochondria
Mitochondria produce ATP through cellular respiration, providing energy for cellular activities.
What is Newton's first law of motion also called?
Answer: Law of Inertia
Newton's first law states that an object at rest or in motion stays that way unless acted upon by an external force, which is the definition of inertia.
Which of the following is a renewable energy source?
Answer: Solar power
Solar power is renewable because it is continuously replenished by the sun, unlike fossil fuels which are finite.
What is the atomic number of carbon?
Answer: 6
Carbon has 6 protons in its nucleus, which is its atomic number.
What phase of matter has a definite volume but no definite shape?
Answer: Liquid
Liquids have a fixed volume but take the shape of their container because their particles can flow past one another.
Which organ system is responsible for transporting blood throughout the body?
Answer: Cardiovascular system
The cardiovascular system, consisting of the heart and blood vessels, circulates blood to deliver oxygen and nutrients.