5.6A/ 5.6B

 A light bulb changes electrical energy into

• light energy only
• heat and chemical energy
• light and heat energy
• light and chemical energy

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

Energy cannot be created or destroyed but exists in different forms, such as

• mass and weight
• boiling point and melting point
• light, heat and sound
• direction and speed

The energy associated with an object that is moving is called

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

Students are asked to create a system using two mirrors and a flashlight to hit a target with a beam of light. Which diagram correctly uses the two mirrors and the flashlight to hit the target?

• A
• B
• C
• D

What is one problem with using a series circuit? 

• It has a lot of series. 
• If one goes down, they all go down! 
• It doesn't work properly.
• There are no problems. 

Which form of energy is best shown in this picture?

• mechanical
• electrical
• chemical
• nuclear

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