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
What is the speed of light in a vacuum?
Answer: 3 × 10⁸ m/s
The speed of light in a vacuum is approximately 3 × 10⁸ meters per second (about 186,000 miles per second).
What is the process by which water vapor turns into liquid water called?
Answer: Condensation
Condensation occurs when water vapor cools and changes state to liquid, as seen on a cold glass on a humid day.
Which part of the brain controls balance and coordination?
Answer: Cerebellum
The cerebellum, located at the back of the brain, coordinates voluntary movements and maintains balance.
What type of bond involves the sharing of electrons between atoms?
Answer: Covalent bond
Covalent bonds form when two atoms share one or more pairs of electrons to achieve stable electron configurations.
Which layer of Earth is the thickest?
Answer: Mantle
Earth's mantle extends from the crust to the outer core, making it the thickest layer at about 2,900 km thick.
What is the term for the minimum energy required to start a chemical reaction?
Answer: Activation energy
Activation energy is the energy barrier that must be overcome for reactants to convert into products.