| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.47 |
| Score | 0% | 69% |
An element in the physical state of __________ maintains a constant volume and shape.
gas |
|
gel |
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solid |
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liquid |
An element in a solid state has atoms or molecules that are constricted and do not move freely. Solids maintain a constant volume and shape and exist at a lower temperature than liquids or gases.
Herbivores are __________ that subsist on producers like plants and fungus.
primary consumers |
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scavengers |
|
tertiary consumers |
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secondary consumers |
Primary consumers (herbivores) subsist on producers like plants and fungus. Examples are grasshoppers, cows, and plankton.
__________ is caused by a lack of Vitamin C.
scurvy |
|
shingles |
|
anemia |
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diabetes |
Scurvy is a difficiency disease caused by a lack of Vitamin C in the diet.
Earth's history is divided into time periods, which of these is the shortest time period?
eon |
|
period |
|
epoch |
|
age |
The Earth is approximately 4.6 billion years old and its history is divided into time periods based on the events that took place and the forms of life that were dominant during those periods. The largest graduation of time is the eon and each eon is subdivided into eras, eras into periods, periods into epochs, and epochs into ages.
Which of these layers is found directly below the Earth's crust?
continents |
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mantle |
|
outer core |
|
inner core |
The crust is the Earth's outermost layer and is divided into oceanic and continental types. Oceanic crust is 3 miles (5 km) to 6 miles (10 km) thick and is composed primarily of denser rock. Continental crust is 20 to 30 miles (30 to 50 km) thick and composed primarily of less dense rock. The crust makes up approximately one percent of the Earth's total volume.