Physical Science 1st Semester Mid Term Exam

1. A push or pull that one body exerts on another is _________.

• velocity

• force

• mass

• acceleration

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The tendency of a body to remain at rest or to continue its state of uniform motion is called _________.

• resistance

• friction

• inertia

• tension

Which statement describes the direction of spontaneous heat flow?

• Heat flows between two objects at the same temperature.

• Heat flows in a vacuum by conduction.

• Heat flows from an object at high temperature to one at low temperature.

• Heat flows from an object at low temperature to one at high temperature.

A scientific hypothesis has all of the following features EXCEPT that it is

• A possible explanation for something

• Based on observations

• Falsifiable

• Able to be proven true

• All of the above are features of a scientific hypothesis.

Water freezes at _________.

• 212°F

• 32°C

• 32°F

• 212°C

Which of the following temperatures is the same as absolute zero?

• 0 degrees Celsius

• -273.15 degrees Fahrenheit

• 0 Kelvin

• 0 degrees Fahrenheit

This occurs when there is a change in speed or direction; it is in the negative direction.

• deceleration

• velocity

• free fall

A material that reduces the flow of heat by convection, conduction, and radiation is a(n) (a)   .

• conductor

• insulator

• radiator

Tags

NGSS.MS-PS3-3

Which of the following best describes WORK?

• a. a force applied to an object

• b. a force moves an object for a specific distance

• c. when you do something that is difficult

• d. an object is moving after you applied a force to it

What substance is the Fahrenheit scale based upon?

• salt water

• body temperature

• water

• mercury