Semester II Vocabulary Flashcards

Front

Displacement

Back

The length and direction of a straight line between two locations or positions.

Front

Distance

Back

A measure of the length of a path that a moving object travels.

Front

Velocity

Back

A quantity that measures the rate at which the position of an object changes in time.

Front

Speed

Back

Measures the rate at which an object moves along a path.

Front

Autotroph

Back

An organism that can produce its own food.

Front

Heterotroph

Back

An organism that cannot make its own food and gets energy from other organisms.

Front

Photosynthesis

Back

A cellular process by which plants, algae, and some bacteria create their own food using energy from the Sun.

Front

Chloroplast

Back

An organelle in the cells of some autotrophs where photosynthesis takes place.

Front

Matter

Back

that has mass and takes up space

Front

Law of Conservation of Energy

Back

is neither created nor destroyed only transferred