Unit 3 Hmh

Which step is not required when solving a design problem?

• testing solutions

• brainstorming solutions

• evaluating solutions

• alphabetizing or numbering solutions

Tags

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

I am holding a metal spoon. I place it inside a cup of hot soup. Explain why the spoon feels warm.

• Heat transferred from the soup to the spoon to my hand.

• Heat transferred from the soup to my hand to the spoon.

• Heat transferred from the spoon to my hand to the spoon.

• Heat transferred from the spoon to the soup to my hand.

Tags

NGSS.MS-PS1-4

Your goal is to design a home that stays cool in the summer. Which energy transfer will be the greatest obstacle to reaching your goal?

• Heat trying to transfer into your home.

• Heat trying to transfer out of your home.

• Cold air trying to transfer out of your home.

• Cold air trying to transfer into your home.

Tags

NGSS.MS-PS3-3

Consider four objects all made of the same material, metal. Which has the least amount of thermal energy?

• a metal serving spoon

• a metal salad bowl

• a metal frying pan

• a metal paper clip

Average kinetic energy of all the particles in a material.

• temperature

• thermal energy

• kinetic energy

• potential energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The total kinetic energy of moving particles of matter

• temperature

• thermal energy

• kinetic energy

• potential energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The transfer of thermal energy by particles moving through a fluid (liquid or gas).

• conduction

• convection

• radiation

• none of the choices

Transfer of thermal energy by electromagnetic waves that can travel through air and empty space.

• conduction

• convection

• radiation

• none of the choices

Energy cannot be created nor destroyed describes ....

• law of conservation of energy

• energy

• energy transformation

• gravitational potential energy

Tags

NGSS.MS-PS3-5

True or False? Thermal energy is transferred from a colder object to a warmer object.

• True

• False

Tags

NGSS.MS-PS3-3