Apologia Physical Science

A chemical reaction that absorbs energy from its surroundings is called what?

• double replacement reaction

• combustion reaction

• endothermic reaction

• decomposition reaction

Tags

NGSS.MS-PS1-4

What is Reference point?

• A physical measurement that contains only magnitude (number) and does not contain directional information.

• The time rate of change of an objects velocity

• A point against which direction is measured.

• The distance an object travels plus the direction from the starting point

• A physical measurement that contains both magnitude (number) and directional information.

What is Displacement?

• A physical measurement that contains only magnitude (number) and does not contain directional information.

• The time rate of change of an object's velocity.

• A point against which direction is measured

• The distance an object travels plus the direction from the starting point

• A physical measurement that contains both magnitude (number) and directional information.

What is Vector quantity?

• A physical measurement that contains only magnitude (number) and does not contain directional information.

• The time rate of change of an object's velocity

• A point against which direction is measured

• The distance an object travels plus the direction from the starting point

• A physical measurement that contains both magnitude (number) and directional information.

Tags

NGSS.MS-PS2-5

What is Scalar quantity?

• A physical measurement that contains only magnitude (number) and does not contain directional information.

• The time rate of change of an object's velocity

• A point against which direction is measured

• The distance an object travels plus the direction from the starting point

• A physical measurement that contains both magnitude (number) and directional information.

If you are a passenger in the rear seat of a car moving at a steady speed, relative to whom are you at rest?

• a person on the side of the road

• the driver in the front seat

• a pedestrian on the corner

• a person in a passing car

What does the slope of a distance-time graph indicate?

• distance

• time

• speed

• displacement

What does a horizontal (flat) line on a distance-time graph mean?

• the object is moving at a constant speed

• the object is moving faster

• the object is slowing down

• the object is at rest

What metric prefix means "1,000"?

• Kilo

• Mili

• Gram

• Centi

What are the most reactive metals?

• alkali metals

• alkaline earth metals

• transition metals

• metalloids

Tags

NGSS.HS-PS1-2