| A | B |
|---|
| Density is | The mass per unit volume |
| A control is | a standard by which test results can be compared |
| What is the common abbreviation for the International System of units? | SI |
| Which material would be a GOOD thermal conductor? | Metals |
| Which of the following states that the increase in thermal energy of a system equals the work done plus the thermal energy added? | 1st law of thermal dynamics |
| Which of the following states that heat will not flow from a cold to a hot object unless work is done? | 2nd Law of thermodynamics |
| Clouds are made up of water____? | droplets |
| Which term is used to tell people that a hurricane may come ashore within 3 days? | Hurricane watch |
| What causes a storm surge during a hurricane? | Large waves |
| The greenhouse effect refers to the re-emission of _____ radiation. | infrared |
| Microorganisms in the digestive tracts of animals produce _____. | methane |
| If the amplitude of a wave changes, which of the following changes? | wave energy |
| The spee of a wave is equal to ... | v=(lambda)f |
| When you see an orange flower, you know that all colors are being absorbed except _____. | orange |
| the definition of the frequency of a sound is ______. | the number of vibrations per second |
| Which term best describes how bats and dolphins locate objects through sound? | echolocation |
| If you cannot see through a material, it is ____. | opaque |
| What is the unit of measure for sound frequency? | Hertz |
| The rise in pitch of an incoming train's whistle is an example of ______. | THe Doppler effect |
| Red, green and blue make up _____. | the primary colors of light |
| What frequencies can the human ear hear? | 20 Hz- 20,000 Hz |
| Light waves of which color are bent LEAST when passing through a prism? | red |
