Term
Yes or No
Generally, gases insulate much better than solids. |
|
Definition
|
|
Term
Yes or No
Conduction is the main method of heat flow in solids. |
|
Definition
|
|
Term
Yes or No
Temperature indicates the average kinetic energy of the particles in an object. |
|
Definition
|
|
Term
| The amount of thermal energy that must be gained or lost to change the temperature of 1g of a substance 1oC is called the substance's ___________. |
|
Definition
|
|
Term
| The amount of thermal energy required to change the temperature of an object 1oC is called its ______________. |
|
Definition
|
|
Term
| Two touching objects that have the same temperature have reached _________________. |
|
Definition
|
|
Term
| How are the fiducial points of the Celsius and Fahrenheit scales similar? |
|
Definition
| They both use the phase-change points of water. |
|
|
Term
| A Stirling engine converts thermal energy to ________ energy. |
|
Definition
|
|
Term
Which of the following is the best conductor of thermal energy?
air
silver
glass
snow |
|
Definition
|
|
Term
| Two objects in contact with each other continue to conduct thermal energy until... |
|
Definition
| the objects have the same temperature. |
|
|
Term
| You warm your hands on a cup of hot chocolate through... |
|
Definition
|
|
Term
Which temperature system has a fiducial point at the boiling point of water?
Celsius
Kelvin
Fahrenheit
Celsius and Kelvin
Celsius and Fahrenheit
Celsius, Kelvin, and Fahrenheit |
|
Definition
|
|
Term
Which of the following has particles with the highest kinetic energy?
1-a bathtub of warm water
2-a lake in the winter
3-a mug full of boiling water
4-a thimble full of steam |
|
Definition
|
|
Term
| Which type of heat transfer is demonstrated by heat lamps keeping food hot? |
|
Definition
|
|
Term
| Which type of heat transfer is demonstrated by the sun heating the leather seats in a car? |
|
Definition
|
|
Term
| Which type of heat transfer is demonstrated by hot air rising from the land? |
|
Definition
|
|
Term
| Which type of heat transfer is demonstrated by the heating of a light bulb when it is on? |
|
Definition
|
|
Term
| Which type of heat transfer is demonstrated by ice melting when placed in a warm drink? |
|
Definition
|
|
Term
| Which type of heat transfer is demonstrated by the fact that a balloon filled with hot air rises, while one full of cold air sinks? |
|
Definition
|
|
Term
Be able to convert
Celsius to Fahrenheit
AND
Fahrenheit to Celsius |
|
Definition
|
|
Term
| Fluid pressure is not affected by the __________________. |
|
Definition
|
|
Term
Yes or No
Kelvin temperatures are measured from absolute zero, which is about -273oC. |
|
Definition
|
|
Term
Yes or No
Even single gas molecules have momentum. |
|
Definition
|
|
Term
Yes or No
The pascal is equivalent to a newton per square meter in SI base units. |
|
Definition
|
|
Term
Yes or No
The larger the area over which a given force is exerted, the higher the pressure. |
|
Definition
|
|
Term
| Atmospheric pressure ________ as altitude increases. |
|
Definition
|
|
Term
| Pressure that increases with depth in a swimming pools is called ___________ pressure. |
|
Definition
|
|
Term
| Meteorologists report atmospheric pressure in ________. |
|
Definition
|
|
Term
| The derived SI unit for pressure is the ________. |
|
Definition
|
|
Term
Which of the following fluid principles applies to a pure gas at a constrant pressure?
1-Boyle's law
2-Coanda effect
3-Charles's law
4-Dalton's law of partial pressures |
|
Definition
|
|
Term
Which of the following is not a part of a hydraulic machine?
1-resistance piston
2-effort piston
3-hydraulic fluid
4-screw jack |
|
Definition
|
|
Term
| Objects immersed in water _______________________. |
|
Definition
| weigh less than they do in air |
|
|
Term
| Two solids in contact ________________________. |
|
Definition
| exert pressure on each other |
|
|
Term
| Fluid mechanics is the study of ________________________. |
|
Definition
|
|
Term
Yes or No
Most energy is actually a form of kinetic or potential energy. |
|
Definition
|
|
Term
Yes or No
Potential energy is the energy possessed by objects that are in a position to move. |
|
Definition
|
|
Term
Yes or No
Cities are measurably hotter than the surrounding suburbs. |
|
Definition
|
|
Term
| The first law of thermodynamics is also known as the law of the ____________________. |
|
Definition
|
|
Term
| What was originally thought to be the source of magnetism? Why? |
|
Definition
| Witchcraft or magin was thought to be the source of magnetism because magnetism exerts an influence from a distance. |
|
|
Term
| Electrical energy does work on _____________. |
|
Definition
| electrical charges; electrons |
|
|
Term
| The change in thermal energy in a system is called ______. |
|
Definition
|
|
Term
| When a force acts on an object to move it through a distance, ______ is done. |
|
Definition
|
|
Term
| Energy is the ability to do _____. |
|
Definition
|
|
Term
Which of the following is utilized by a compass pointing north?
electrical energy
magnetic energy
electromagnetic energy
nuclear energy |
|
Definition
|
|
Term
Which of the following does a warm pot of water have?
electrical energy
magnetic energy
electromagnetic energy
thermal energy |
|
Definition
|
|
Term
Which of the following does a rolling bowling ball have?
acoustic energy
electrical energy
mechanical kinetic energy
mechanical potential energy |
|
Definition
| mechanical kinetic energy |
|
|
Term
Which of the following is produced by a student's blaring trumpet?
acoustic energy
thermal energy
nuclear energy
mechanical potential energy |
|
Definition
|
|
Term
Which of the following is used when gasoline burns in a car engine?
acoustic energy
chemical energy
electromagnetic energy
mechanical kinetic energy |
|
Definition
|
|
Term
Which has kinetic energy?
-a book on your bookshelf
-an avalanche
-a compressed spring
-a case of dynamite |
|
Definition
|
|
Term
| In processes that are lessthan 100% efficient, energy is still conserved because ___________________. |
|
Definition
| the total energy of the system does not change |
|
|
Term
| Which nuclear process releases energy when two atoms merge? |
|
Definition
|
|
Term
| Which nuclear process releases energy when one atom splits? |
|
Definition
|
|
Term
Which of the following is not a type of radiant energy?
sound waves
x-rays
microwaves
radio waves |
|
Definition
|
|
Term
Which of the following does not possess magnetic energy?
-a compass needle
-a wire conducting electricity
-the earth
-wood |
|
Definition
|
|
Term
Which field of study is not part of modern mechanics?
-kinematics
-statics
-light and optics
-dynamics |
|
Definition
|
|
Term
Suppose you are calculating the speed of a dragster. Which of the following is not included in the system?
-driver
-tires
-road surface
-windshield |
|
Definition
|
|
Term
Which of the following is a vector qualntity?
-mass
-calendar day
-density
-tension on a rope |
|
Definition
|
|
Term
| Traveling down a road with a posted 65 mi/h speed limit, you could be in danger of getting a speeding ticket if your ___________ exceeds this amount when you pass a police car. |
|
Definition
|
|
Term
| The rate at which the rate of motion changes is __________. |
|
Definition
|
|
Term
| In what field is analyzing the liftoff of a space shuttle classified? |
|
Definition
|
|
Term
| In what field is improving a long-distance runner's stride and pacing classified? |
|
Definition
|
|
Term
| In what field is designing the supports of a large suspension bridge classified? |
|
Definition
|
|
Term
| In what field is studying the aerodynamics of how a wind turbine moves in a wind tunnel classified? |
|
Definition
|
|
Term
| In what field is analyzing the pushes and pulls on the frameworks of radio telescopes classified? |
|
Definition
|
|
Term
| When are displacement and distance equal? |
|
Definition
| They are the same for an object that has traveled in a straight line in one direction between two points. |
|
|
Term
| A displacement divided by a time internal equals _______. |
|
Definition
|
|
Term
Yes or No
Scientists in ancient times were called natural philosophers. |
|
Definition
|
|
Term
Yes or No
The earth is one example of a system. |
|
Definition
|
|
Term
Yes or No
For any given system, there is no one correct reference frame. |
|
Definition
|
|
Term
Yes or No
For any given system, one reference frame is probably preferred. |
|
Definition
|
|
Term
Yes or No
The magnitude of a vector is a scalar. |
|
Definition
|
|
Term
Yes or No
Distance and displacement can be the same value. |
|
Definition
|
|
Term
Yes or No
For one-dimensional motion, the sign of an object's velocity indicates its direction. |
|
Definition
|
|
Term
Yes or No
Velocity is a vector quantity. |
|
Definition
|
|
Term
Yes or No
Physicists use velocity more than speed because it gives more information. |
|
Definition
|
|
Term
Yes or No
A falling object is not accelerating in the first few seconds of its fall. |
|
Definition
|
|
Term
Yes or No
Acceleration due to a change in speed is a vector quantity. |
|
Definition
|
|
Term
Yes or No
Car seats reduce the rish of child death in car accidents by changing the acceleration to which the children are subjected. |
|
Definition
|
|
Term
| Scientists prefer what type of data? Why? |
|
Definition
| Scientists prefer quantitative data over qualitative data. Quantitative (or numerical) data is more objective and affected less by observational bias. It is also much more precise. |
|
|
Term
| Convert 4000 Mg to kilograms with the same number of significant digits. |
|
Definition
|
|
Term
| The water displacement method of determining volume is most accurate when the volumes are read at the _______ of the meniscus in a graduated cylinder. |
|
Definition
|
|
Term
| Name an instrument that measures weight. |
|
Definition
| A spring scale or an electronic scale can measure weight. |
|
|
Term
| The system of internationally accepted units is known as the _____________. |
|
Definition
| Systeme International d'Unites (SI) |
|
|
Term
| How do physical changes differ from chemical changes? |
|
Definition
| Physical changes change the shape or state of a material, but chemical changes actually change the composition of the material. |
|
|
Term
| A substance's properties can be affected by both ________ and ________. |
|
Definition
|
|
Term
| How does an atom become an ion? |
|
Definition
| An atom becomes an ion when it gains or loses electrons to create a charge imbalance in a previously neutral atom. An atom cannon gain or lose protons to become an ion. |
|
|
Term
| Molecules are atoms that are connected by _______. |
|
Definition
|
|
Term
| Volume and mass are fundamental properties of all ________. |
|
Definition
|
|
Term
Yes or No
Gravity can change depending on the position on the earth at which it is measured. |
|
Definition
|
|
Term
Yes or No
A measurement can end with a zero that is significant. |
|
Definition
|
|
Term
Yes or No
In a measurement is precise, then it is always accurate. |
|
Definition
|
|
Term
Yes or No
Complete accuracy is impossible in scientific measurements. |
|
Definition
|
|
Term
Yes or No
Every scientific measurement contains some error. |
|
Definition
|
|
Term
Yes or No
The royal cubit was the same length as the common cubit. |
|
Definition
|
|
Term
Yes or No
Most metric prefixes are based on a power of 10. |
|
Definition
|
|
Term
Yes or No
Molecules are always made of atoms. |
|
Definition
|
|
Term
Yes or No
Physical objects are not necessarily made of matter. |
|
Definition
|
|
Term
yes or No
When steam appears, liquid water has been destroyed to create the steam. |
|
Definition
|
|
Term
Yes or No
Lubricants reduce friction by introducing another, more slippery layer of matter between two surfaces that rub against each other. |
|
Definition
|
|
Term
Which of the following will change with a solid object's change in location?
-mass
-volume
-weight
-density |
|
Definition
|
|
Term
Which of the following numbers has the most significant digits?
- 901.0
- 12,000
- 34.6 km
- 0.0000042 J |
|
Definition
|
|
Term
| Science was difficult in the Middle Ages because _____ was/were not standardized. |
|
Definition
|
|
Term
Which is not a measurable dimension of a house?
- height
-volume
-amount of electricity usage
-value |
|
Definition
|
|
Term
Which of the following is not a mixture?
- a gold ring
-pure water
-air
-a paper bag |
|
Definition
|
|
