Physical Science: 9A/9B Practice Quiz

1.

5 points

An object whose volume increases with increasing temperature experiences __________________.

2.

5 points

The ability of a substance to allow electricity to pass through its is a measure of its _________________.

3.

5 points

Which scientist first showed a clear connection between mechanical energy and heat?

William Thomson (Lord Kelvin)

Benjamin Thompson (Count Rumford)

Robert Mayer

James Prescott Joule

4.

5 points

Internal energy is not measurable.

True

False

5.

5 points

Which of the following are thermometric properties of objects?

electrical resistance

thermal expansion

viscosity

temperature

6.

5 points

The fiducial point on the Kelvin temperature scale is called the double point of water.

True

False

7.

5 points

Which of the following are benefits of the Kelvin scale?

It allows the zero to actually represent zero thermal energy.

It only contains one fiducial point.

It only contains positive value temperatures.

Electrical resistance can't be measured except on the Kelvin scale.

8.

5 points

Lubricants are substances with ____________ viscosity that reduce friction between working parts.

moderate

low

zero

high

9.

5 points

The transfer of thermal energy away from an object is called heating.

True

False

10.

5 points

Although every material has their own unique thermal expansion properties, solids and liquids expand about the same rate for a given temperature change, while gases show a much greater volume change per degree change in temperature.

True

False

11.

5 points

The model that heat is a weightless, invisible fluid is known as the ____________ theory.

12.

5 points

"Anchor" points on a temperature scale are known as

fiducial points

absolute points

degree points

thermometric points

13.

5 points

The dimensional unit of temperature is the

the calorie

the kelvin

the degree

the joule

14.

5 points

The sum of all the potential and kinetic energies in a substance is called its __________ energy.

15.

5 points

Count Rumford was the scientist who experimented seriously with muskets in order to challenge the caloric theory.

True

False

16.

5 points

Which scientist first challenged the caloric theory through experiments?

Benjamin Thompson (Count Rumford)

NIcholas Sadi Carnot

Robert Mayer

Antoine Lavoisier

17.

5 points

The theory that heat comes from the constant ___________ of particles is called the kinetic-molecular model of thermal energy.

18.

5 points

How much energy (or work) is needed to raise the temperature of a gram of water 1 degree Celsius?

4.18 joules

4.18 watts

.418 joules

.418 watts

19.

5 points

When a warmer object contacts a cooler one, its faster-moving particles collide with the cooler ones and transfer kinetic energy. Once both objects are at the same temperature, they are said to have attained thermal __________________.

20.

5 points

The fiducial points of the _____________ and Celsius scales are the same, but their values on these scales are not the same.