7 Gr Benchmark #2

A barefoot student steps on a hot concrete surface. Most of the heat transferred to the student’s skin by this contact is by the process of—

• convection
• conduction
• vaporization
• radiation

How do molecules at warm temperatures differ from molecules at cool temperatures? 

• a.  At warm temperatures, molecules move around more
• b.  At warm temperatures, molecules grow in siz
• c.  At warm temperatures, molecules exchange electrons more easil
• d.  At warm temperatures, molecules combine with each other more easil

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The particles of a gas move ____than the particles of the same substance in the liquid or solid state.

• faster
• slower
• same speed

Tags

NGSS.MS-PS1-4

Heat will always transfer from the ___________ object to the ________ object.

• The hottest object to the coolest object.

• The coolest object to the hottest object.

• The solid object to the liquid object.

• The liquid object to the solid object.

Tags

NGSS.MS-PS1-4

Convection is heat transfer by-

• Touch an object
• The heating and cooling of a fluid
• Electromagnetic Waves

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Radiation is heat transfer by-

• Touch
• Circles
• Waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When the 2nd story of a house is warmer than the 1st floor of a house is heat transfer through 

• conduction
• convection
• radiation
• thermal equilibrium

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

The flow of thermal energy from warmer objects to cooler objects 

• Ice Cold
• Heater
• Heat
• Convection 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Matter will change from one state to another if thermal energy is _______.

• released
• absorbed
• all of the above
• none of the above

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What do you call the temperature at which a substance changes from a liquid to a solid?

• Melting Point
• Boiling Point
• Freezing Point
• Solid Point

Tags

NGSS.MS-PS1-4