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 basic unit of life?
Answer: Cell
The cell is the smallest structural and functional unit of all living organisms.
Which planet in our solar system has the most moons?
Answer: Saturn
As of recent discoveries, Saturn has over 140 confirmed moons, the most of any planet in our solar system.
What process do plants use to convert sunlight into food?
Answer: Photosynthesis
Photosynthesis uses sunlight, water, and carbon dioxide to produce glucose and oxygen.
What is the chemical formula for water?
Answer: H₂O
Water consists of two hydrogen atoms bonded to one oxygen atom, giving the formula H₂O.
Which gas makes up the largest percentage of Earth's atmosphere?
Answer: Nitrogen
Nitrogen makes up approximately 78% of Earth's atmosphere, far more than oxygen at about 21%.
What type of rock is formed from cooled magma or lava?
Answer: Igneous
Igneous rocks form when molten material (magma underground or lava above ground) cools and solidifies.