STEM 6

What is made of atoms?

• Desks
• Buildings
• You
• Everything

A see-saw is an example of what to simple machines combined?

• Pulley and wedge

• Screw and wheel and axle

• Screw and pulley

• Lever and wedge

Electrons have a ______________ charge.

• Negative
• Positive

An example of a conductor is:

• Glass
• Metal
• Plastic
• Soil

An example of an insulator is:

• Soil (dirt)
• Rubber
• Glass
• All of the above

A circuit can be described as:

• A bunch of wires put together
• A route that electrons can flow along
• How a cell phone works
• A bunch of electronic parts in a pile

Voltage can be described as:

• The pushing force of electrons in a circuit
• The more voltage, the more electrons can flow
• Electrons pushed by voltage can light a light bulb if it is in their path
• All of the above

Current of electricity can be measured in:

• Volts
• Ohms
• Watts
• Amps

What simple tool was used to make the mousetrap car go further?

• Wedge

• Lever

• Screw

• Pulley

Which is NOT a part of a battery?

• Anode

• Separator

• Cathode

• Flux capacitor