Conservation of Energy

Which store of energy is found in moving objects?

• Kinetic

• Thermal

• Mechanical

• Electrical

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

How is energy transferred in a circuit with a battery and a bulb?

• electrically

• mechanically

• by radiation

• by heating

What is the equation for efficiency?

• total input energy / useful output energy

• useful output energy / total input energy

• wasted output energy / total input energy

Tags

NGSS.HS-PS3-3

Which store of energy is found in an LED light?

• thermal

• light

• nuclear

Tags

NGSS.MS-PS4-2

Which store of energy is found in a ball thrown in the air?

• Gravitational Potential

• Elastic Potential

• Gravity

• Air Resistance

Tags

NGSS.MS-PS3-2

An insulator is...

• a poor conductor of thermal energy

• a good conductor of thermal energy

Tags

NGSS.MS-PS3-3

Air is a good insulator because...

• it does not conduct thermal energy well

• it does conduct thermal energy well

Tags

NGSS.MS-PS3-3

Examples of insulation in a house includes: (pick 3)

• loft insulation

• double glazing

• cavity wall insulation

• net curtains

Tags

NGSS.MS-PS3-3

Convection is...

• thermal energy transferred through currents in liquids

• thermal energy transferred through currents in liquids and gasses

• thermal energy transferred through currents in solids

Tags

NGSS.MS-ESS2-6

Conduction is...

• thermal energy transferred through vibrations in solids

• thermal energy transferred through waves in solids

• thermal energy transferred through vibes in solids