Physical Science Semester 1 review

Front

What is a conductor?

Back

A conductor is a material that allows the flow of electric current or heat. Example: Aluminum foil.

Front

What does accuracy mean in measurements?

Back

Accuracy refers to how close a measurement is to the true or expected value.

Front

Which particle has no charge?

Back

The neutron is a subatomic particle that has no electric charge.

Front

How do you calculate speed?

Back

Speed is calculated by dividing the distance traveled by the time taken. Formula: Speed = Distance / Time.

Front

Convert 4 km to meters.

Back

4 km = 4000 m.

Front

What is the difference between precision and accuracy?

Back

Precision refers to how consistently measurements can be repeated, while accuracy refers to how close a measurement is to the true value.

Front

What is the formula for calculating density?

Back

Density = Mass / Volume.

Front

What is the unit of force in the International System of Units (SI)?

Back

The unit of force is the Newton (N).

Front

What is the principle of conservation of energy?

Back

The principle states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.