Science 7-12 Flashcards
6 cards from real TExES Exam 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 7-12 flashcards as text
Which process describes the movement of water from soil into plant roots?
Answer: Osmosis
Osmosis drives water from an area of higher water concentration (soil) into root cells where solute concentration is higher.
Which type of rock forms from the cooling and solidification of magma or lava?
Answer: Igneous rock
Igneous rocks form when magma cools below Earth's surface or lava solidifies on the surface, crystallizing into rock.
Which variable is changed intentionally by the experimenter in a controlled experiment?
Answer: Independent variable
The independent variable is deliberately manipulated by the experimenter to observe its effect on the dependent variable.
DNA replication ensures that each new cell receives:
Answer: A complete copy of the original DNA
During DNA replication, each strand serves as a template, resulting in two identical copies of the entire genome for each daughter cell.
The pH scale measures the concentration of which ion in a solution?
Answer: Hydrogen ions (H⁺)
pH measures the concentration of hydrogen ions (H⁺) in a solution, with lower values indicating higher acidity.
Which ecological term describes the sequence of community changes following a disturbance such as a wildfire?
Answer: Secondary succession
Secondary succession occurs when a community recovers after a disturbance that removes organisms but leaves the soil intact.