| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.33 |
| Score | 0% | 67% |
Which of the following states of matter exists at the lowest temperature?
none of these |
|
gas |
|
solid |
|
liquid |
Solids exist at a lower temperature than liquids which exist at a lower temperature than gases.
The __________ is a system of muscles that allows breathing.
trachea |
|
bronchioles |
|
pulmonary |
|
diaphragm |
The diaphragm is a system of muscles that allows breathing. During inhalation, the diaphragm expands and air rushes in to fill the space created. Then, during exhalation, the diaphragm contracts and forces the air back out.
What kind of weather front is likely to create clouds and storms?
temperate front |
|
warm front |
|
stationary front |
|
cold front |
A warm front is the boundary between warm and cool (or cold) air when the warm air is replacing the cold air. Warm air at the surface pushes above the cool air mass creating clouds and storms.
Molecules and atoms that are inputs to a chemical reaction are known as which of the following?
components |
|
reactants |
|
fuel |
|
products |
During a chemical reaction molecules and atoms (reactants) are rearranged into new combinations that result in new kinds of atoms or molecules (products).
__________ is caused by a lack of Vitamin C.
scurvy |
|
anemia |
|
diabetes |
|
shingles |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.