Lesson 1: Vocabulary

What are balanced forces?

• Forces that are equal in size but act in the same direction

• Forces that are equal in size but act in opposite directions

• Forces that are unequal in size and act in opposite directions

• Forces that are unequal in size and act in the same direction

What is a dependent variable?

• Something that remains constant in an investigation

• Something that is being tested and depends on the independent variable

• A push or a pull that causes an object to change its motion

• Forces that are not equal to one another

Tags

NGSS.MS-PS3-1

What is the definition of force?

• The act or process of changing position or location

• A scientific idea that states that an object stays at rest or in motion in a straight line

• A push or a pull that causes an object to change its motion

• Forces that are equal in size but act in opposite directions

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What does inertia state?

• An object stays at rest or in motion in a straight line, unless it is affected by an external force

• Forces that are equal in size but act in opposite directions

• The act or process of changing position or location

• Forces that are not equal to one another

What is motion?

• A push or a pull that causes an object to change its motion

• The act or process of changing position or location

• Forces that are not equal to one another

• Something that remains constant in an investigation

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What are unbalanced forces?

• Forces that are equal in size but act in opposite directions

• Forces that are not equal to one another

• A push or a pull that causes an object to change its motion

• Something that remains constant in an investigation

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is a control variable?

• Something that remains constant and unchanged in an investigation

• A push or a pull that causes an object to change its motion

• Forces that are not equal to one another

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

What is an independent variable?

• Something that is the same in an investigation

• Something that is changed in an investigation

• The result of an investigation

• The control variable in an investigation

Tags

NGSS.MS-PS2-2

What is mass?

• The amount of space an object occupies

• The amount of matter in an object

• The weight of an object

What is a turbine?

• A device that measures wind speed

• A wheel or rotor that is made to rotate by moving water or air

• A machine that generates electricity from solar energy

• A type of engine used in cars