Science and Technology Flashcards
6 cards from real AASA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Science and Technology flashcards as text
What is the role of decomposers in an ecosystem?
Answer: To break down dead organisms and recycle nutrients
Decomposers such as bacteria and fungi break down dead organisms, returning nutrients to the soil.
What does DNA stand for?
Answer: Deoxyribonucleic Acid
DNA stands for Deoxyribonucleic Acid, the molecule that carries genetic information in living organisms.
Which layer of Earth is the thickest?
Answer: Mantle
The mantle is the thickest layer of Earth, extending about 1,800 miles below the crust.
What is a food chain?
Answer: A sequence showing how energy moves from one organism to another
A food chain shows the linear transfer of energy through feeding relationships, starting with producers.
Which gas do humans exhale?
Answer: Carbon dioxide
Humans exhale carbon dioxide as a waste product of cellular respiration.
What tool is used to measure temperature?
Answer: Thermometer
A thermometer measures temperature in degrees Fahrenheit or Celsius.