Science Flashcards
7 cards from real BMST practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Science flashcards as text
Which type of bond involves the sharing of electron pairs between atoms?
Answer: Covalent bond
A covalent bond forms when two atoms share one or more pairs of electrons.
What happens to the pressure of a gas if its volume is reduced while temperature stays constant?
Answer: Pressure increases
According to Boyle's Law, pressure and volume are inversely proportional at constant temperature.
Which organelle is responsible for producing ATP through cellular respiration?
Answer: Mitochondria
Mitochondria are known as the powerhouse of the cell because they generate most of the cell's ATP.
What is the SI unit of electric current?
Answer: Ampere
The ampere (A) is the SI base unit used to measure electric current.
Which layer of Earth's atmosphere contains the ozone layer?
Answer: Stratosphere
The ozone layer is located in the stratosphere, roughly 15–35 km above Earth's surface.
A substance with a pH of 2 is best described as:
Answer: Strongly acidic
A pH of 2 is well below 7, placing it firmly in the strongly acidic range.
Which process describes water changing directly from a solid to a gas without passing through the liquid phase?
Answer: Sublimation
Sublimation is the phase transition from solid directly to gas, as seen with dry ice.