Physical Science

1. The Law of Conservation of Matter states that:

• Matter can be created or destroyed.
• Matter can neither be created nor destroyed.
• Matter cannot be created, but it can be destroyed.

2. Which one of the following is designed to interrupt a circuit in case of an overload?

• circuit breaker
• resister
• solenoid
• transformer

3. If the temperature of a gas increases, then the pressure of the gas __________.

• remains constant
• increases
• decreases