Fall Semester Review

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or height. The higher an object is, the more potential energy it has.

Front

How does height affect potential energy?

Back

More height means more potential energy.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion. The faster an object moves, the more kinetic energy it has.

Front

Where is kinetic energy highest on a track?

Back

Kinetic energy is highest at Point 3 on the track.

Front

What is the function of the cell membrane?

Back

The cell membrane controls what enters and exits the cell.

Front

What are organelles?

Back

Organelles are specialized structures within a cell that perform specific functions.

Front

How do sensory receptors work?

Back

Sensory receptors detect stimuli and send signals to the brain for processing.

Front

What happens after a sensory receptor sends a signal to the brain?

Back

The brain decides how to react, either responding immediately or storing the information as a memory.

Front

What indicates a chemical change?

Back

Evidence of a chemical change includes color change, gas production, or the formation of a precipitate.

Front

Which beakers show evidence of a chemical change?

Back

Beaker Y and Beaker Z show evidence of a chemical change.