Energy and Electricity

Caleb is holding a metal block in his hand. What could he do to decrease the thermal energy of the block?

• Cool it

• Drop it

• Hit it

• Melt it

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The picture shows a toy with a spring inside it. Which type of energy would the toy have if you pushed it down and released the toy so that it began to move?

• electrical and thermal

• kinetic and potential

• potential and electrical

• thermal and kinetic

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

An object has a type of energy due to the movement of electrons. Which type of energy is it?

• Chemical

• Electrical

• Mechanical

• Thermal

Chemical energy can be used to produce kinetic energy. Which activity is an example of using chemical energy to produce kinetic energy?

• flying a kite

• using gasoline to run an engine

• using a magnet to pick up a steel nail

• turning on a light switch

Tags

NGSS.MS-PS3-5

What kind of energy does a thermometer measure?

• chemical energy

• electrical energy

• light energy

• thermal energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

After walking across a carpet, a boy feels a spark between his hand and a doorknob. If the boy's hand is negatively charged just before he touches the doorknob, which particles moved from the carpet to his hand?

• atoms

• electrons

• neutrons

• protons

What is static electricity?

• a flow of electrons

• an electrostatic discharge

• a repelling between elctrons

• a buildup of electric charge on something

Tags

NGSS.MS-PS2-5

Which particle of an atom is positively charged?

• electron

• neutron

• proton

• both proton and neutron

Which particle of an atom has no charge?

• electron

• neutron

• proton

• both proton and neutron

Which energy transformation occurs when a fan is plugged into a wall?

• heat energy into motion energy

• electrical energy into sound energy

• energy of motion into sound enegry

• electrical energy into energy of motion