PS Unit 1 Review

Front

What is an inference?

Back

A conclusion reached on the basis of evidence and reasoning.

Front

What is an observation?

Back

Information obtained through the senses.

Front

What is the first step in using a fire extinguisher?

Back

Pull the pin.

Front

What is the second step in using a fire extinguisher?

Back

Aim the nozzle at the base of the fire.

Front

What is the third step in using a fire extinguisher?

Back

Squeeze the handle.

Front

What is the fourth step in using a fire extinguisher?

Back

Sweep from side to side.

Front

Is 'second' an SI base unit?

Back

Yes.

Front

What is a hypothesis?

Back

A proposed explanation for a phenomenon, based on limited evidence.

Front

What is a principle in science?

Back

A fundamental truth or proposition that serves as the foundation for a system of belief or behavior.

Front

What is the difference between observation and inference?

Back

Observation is data collected through the senses, while inference is a conclusion drawn from that data.