Science CBA #2

What is a switch's function in a circuit?

• to make the current hotter or colder
• turn on and off the flow of current
• the pathway that current flows
• to add more power to the circuit

What kind of circuit is this?

• series
• parallel

The energy associated with an object that is moving is called

• mechanical energy
• thermal energy
• electromagnetic energy
• chemical energy

A class prepared some electrical circuits using battery, connecting wires, and three light bulbs.  Which of these circuits can make the three bulbs light?

• A
• B
• C
• D

Energy produced by the movement of electrons

• mechanical

• electrical

• thermal

Energy that causes a transfer of heat between materials

• thermal

• elecgtrical

• mechanical

What is the code word for the 5 forms of energy?

• MENDS

• STEMS

• MELTS

Energy produced from air vibrations

• sound

• light

• heat

A lamp uses electrical energy to produce what 2 other types of energy?

• heat and light

• light and sound

• mechanical and light

type of energy that allows us to see and travels in a straight line

• light energy

• reflection

• refraction

• lens