MCAS Science and Technology/Engineering Flashcards
6 cards from real MCAS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 MCAS Science and Technology/Engineering flashcards as text
What is the term for the transfer of heat through direct contact between objects?
Answer: Conduction
Conduction is the transfer of heat energy through direct contact between materials or objects.
Which layer of Earth's atmosphere contains the ozone layer?
Answer: Stratosphere
The ozone layer is found in the stratosphere, approximately 15–35 km above Earth's surface, where it absorbs harmful UV radiation.
What is the role of decomposers in an ecosystem?
Answer: They break down dead organic matter and recycle nutrients
Decomposers such as fungi and bacteria break down dead organic matter, recycling nutrients back into the soil and ecosystem.
What type of circuit allows electricity to flow through multiple paths?
Answer: Parallel circuit
In a parallel circuit, current can flow through multiple branches simultaneously, so if one branch breaks, others continue to work.
Which process describes water changing from liquid to gas?
Answer: Evaporation
Evaporation is the process by which liquid water absorbs heat energy and transitions into water vapor (gas).
What does DNA stand for?
Answer: Deoxyribonucleic Acid
DNA stands for Deoxyribonucleic Acid, the molecule that carries genetic information in living organisms.