Big Ideas 10 and 11

Boris rides his bicycle at a high speed, then stops suddenly using the brakes. After his ride, Boris feels the rubber on the tires of his bicycle. The rubber feels warm. What is most likely the source of this heat?

• electricity

• friction

• a chemical reaction

• all of these

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Which type of energy passes from a frying pan to an egg to cook it?

• thermal energy

• electrical energy

• light energy

• sound energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Which of the following is a way to produce heat?

• mixing two things together, causing a chemical reaction

• setting something on fire

• rubbing two things together to cause friction

• all of these

Tags

NGSS.MS-PS1-6

What kind of vibration is required to create a low-pitched sound?

• slow

• strong

• fast

• weak

How does a guitar like the one in the picture most often make sound?

• its body spins

• its neck clacks

• its strings vibrate

• its player hums

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

An object with a large amount of _________ would painful to touch.

• mechanical energy

• light energy

• sound energy

• thermal energy

Tags

NGSS.MS-PS1-4

Light travels in ______________ until it strikes an object or moves from one medium to another.

• sharp angles

• random directions

• straight lines

• circles

Tags

NGSS.MS-PS4-2

What kind of energy can travel through empty space without being carried in or by any matter?

• mechanical

• light

• sound

• all of these

Tags

NGSS.MS-PS4-1

When Frank pedals his bicycle, he is giving it __________ energy.

• electrical

• light

• thermal

• mechanical

What is electrical energy?

• energy that is transmitted in the form of electromagnetic waves

• energy of an object due to the random motion of its atoms and molecules

• energy stored in chemical bonds of molecules

• energy resulting from the flow of charged particles, such as electrons or ions

Tags

NGSS.MS-PS3-5