Lesson 1 - Ocean Powered - Vocabulary

Fill in the blank: ________ are forces acting on an object that are equal in size but act in opposite directions, resulting in no change of movement.

• balanced forces

• unbalanced forces

• gravitational forces

• frictional forces

Fill in the blank: A ________ is a push or a pull that causes an object to change its motion (that is, start moving, stop moving, or change direction).

• force

• shape

• color

• temperature

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Fill in the blank: A ________ is something in an investigation that is being tested and depends on the independent variable.

• dependent variable

• control group

• constant

• hypothesis

Tags

NGSS.MS-PS2-2

Fill in the blank: An ________ is something that is changed in an investigation.

• independent variable

• dependent variable

• constant

• control group

Tags

NGSS.MS-PS2-2

Fill in the blank: ________ are forces (pushes and pulls) that are not equal to one another.

• unbalanced forces

• balanced forces

• gravitational forces

• magnetic forces

Tags

NGSS.MS-PS2-2

Fill in the blank: ________ is the act or process of changing position or location.

• motion

• energy

• force

• mass

Tags

NGSS.MS-PS2-2

Fill in the blank: A ________ is a wheel or rotor that is made to rotate by moving water or air.

• turbine

• gear

• pulley

• axle

Fill in the blank: ________ is the amount of matter in an object, measured in kilograms.

• mass

• volume

• density

• weight