| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.48 |
| Score | 0% | 70% |
Which of the following states of matter exists at the highest temperature?
solid |
|
none of these |
|
gas |
|
liquid |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
Leafy vegetables, beans, potatoes, fruits, and whole grains are good sources of:
protein |
|
unsaturated fat |
|
saturated fat |
|
fiber |
Fiber provides bulk to help the large intestine carry away waste. Good sources of fiber are leafy vegetables, beans, potatoes, fruits, and whole grains.
Elements in the Periodic Table of the Elements are ordered by which of the following?
atomic mass |
|
number of electron shells |
|
atomic number |
|
atomic weight |
The Periodic Table of the Elements categorizes elements primarily by the number of protons in their nucleus (atomic number) and secondarily by the characteristics they exhibit.
Which of the following is not true about mass and weight?
mass is the amount of matter something has |
|
weight depends on the location where it is measured |
|
mass depends on the location where it is measured |
|
weight is the force exerted on an object by gravity |
Mass is the amount of matter something has while weight is the force exerted on an object's mass by gravity. So, although a person's mass doesn't change when going from the Earth to the Moon, their weight will decrease because the force of the Moon's gravity is much less than that of Earth.
Which of the following is not true about simple magnets?
opposite poles repel each other |
|
opposite poles attract each other |
|
all of these are untrue |
|
same poles repel each other |
Simple magnets have two poles, north and south, and opposite poles attract each other (N attracts S, S attracts N). Likewise, the same pole of two magnets repel (N repels N, S repels S). The Earth has a magnetic field and North and South Poles which enables the use of a magnetic compass to determine direction.