| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.22 |
| Score | 0% | 64% |
__________ is caused by a lack of iron in the diet.
anemia |
|
diabetes |
|
scurvy |
|
shingles |
Anemia, which may cause weakness, dizziness, and headaches is caused by a lack of iron in the diet.
Water coming to a boil on a stove, ice melting, and steam from a cup of coffee are all examples of which of the following?
reflection |
|
radiation |
|
conduction |
|
convection |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
Which of the following temperatures is least like the others?
32°F |
|
0K |
|
absolute zero |
|
-273°C |
Absolute zero is the coldest possible temperature in the universe. In the Kelvin scale, absolute zero is 0K and in the Celsius scale it is -273°C.
Which of the following is the correct order for types of radiation from lowest to highest frequency?
radio waves → visible light → gamma rays |
|
infrared waves → microwaves → ultraviolet light |
|
microwaves → radio waves → visible light |
|
visible light → ultraviolet light → radio waves |
The electromagnetic spectrum covers all possible wavelengths and frequencies of radiation. From lowest frequency (longest wavelength) to highest frequency (shortest wavelength) radiation: radio waves → microwaves → infrared waves → visible light → ultraviolet light → X-rays → gamma rays.
Which of the following is the correct order for types of radiation from longest to shortest wavelength?
microwaves → radio waves → visible light |
|
visible light → ultraviolet light → radio waves |
|
infrared waves → microwaves → ultraviolet light |
|
radio waves → visible light → gamma rays |
The electromagnetic spectrum covers all possible wavelengths and frequencies of radiation. From lowest frequency (longest wavelength) to highest frequency (shortest wavelength) radiation: radio waves → microwaves → infrared waves → visible light → ultraviolet light → X-rays → gamma rays.