Science - Energy Unit

Which material is the best conductor of heat and electricity?

• wood

• metal

• stone

• plastic

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Energy is transferred from the sun to Earth mainly by

• mechanical waves

• air currents

• electromagnetic waves

• conduction

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS4-1

The main method of heat transfer occurring within water is called________.

• conduction

• convection

• radiation

• insulation

Thermal energy is transferred through a material by the collision of ________ within the material.

• atoms

• waves

• crystals

• light

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

What kind of energy does a moving baseball have?

• electrical

• mechanical

• magnetic

• chemical

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Which of the following is the best insulator?

• copper

• aluminum

• gold

• wood

Tags

NGSS.MS-PS3-4

What is the primary source of energy on Earth?

• the sun

• the moon

• water

• rocks

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What form of energy causes an ice cube to melt?

• mechanical

• magnetic

• sound

• thermal

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In general, metals are ________.

• poor conductors of heat.

• fragile. (easily broken)

• poor conductors of electricity.

• good conductors of heat.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Heat flows from warm objects to cooler objects until both objects are at ________.

• expansion

• thermal

• equilibrium

• conduction

Tags

NGSS.MS-PS1-4