What is the boiling point of water

• 212 F

• 300 F

• 90 F

• 400 F

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

___________ is the amount of matter in something

Kool-aid dissolving in water

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

____ is the transfer of thermal energy between materials by the collisions of particles.

• conduction

• convection

• radiation

• heat

Tags

NGSS.MS-PS3-3

At what time was the student stopped?

• 0-20 minutes

• 20-40 minutes

• 40-50 minutes

• He never moved

Push or pull exerted on an object

• Motion

• Force

• Inertia

• Balanced Force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A(n) ___ is a simple machine that consists of a bar that pivots around a fixed point.

• screw

• pulley

• wedge

• lever

If a bicyclist travels 30 kilometers in two hours, her average speed is

• 60 km/h

• 30 km/h

• 15 km/h

• 12 km/h

Tags

NGSS.MS-PS3-1

Unbalanced force

• inertia

• net force that does not equal zero, which change an object's motion

• push or pull exerted on an object

• tendency to resist change.

Tags

NGSS.MS-PS2-2

___ is the rate at which work is done.

• work

• power

• fulcrum

• lever