2024 - 2025 (R) Review for Flashcard #5, Semester 1

Front

Is separating magnets a physical or chemical change?

Back

Physical change.

Front

Is separating magnets an endothermic or exothermic change?

Back

Endothermic change.

Front

What is a heterogeneous mixture?

Back

A mixture in which different materials can be identified easily, either by eye or underneath a light microscope.

Front

What happens to the potential energy during condensation?

Back

Potential energy decreases.

Front

What is the dependent variable in an experiment comparing different fertilizers on plant growth?

Back

Height of the plant.

Front

What is the SI unit for energy?

Back

Joule.

Front

Is Joule a base or derived unit?

Back

Derived unit.

Front

What is the difference between a pure substance and a mixture?

Back

A pure substance has a uniform and definite composition, while a mixture contains two or more substances that retain their individual properties.

Front

What is kinetic energy?

Back

The energy possessed by an object due to its motion.

Front

What is potential energy?

Back

The energy stored in an object due to its position or arrangement.