| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.22 |
| Score | 0% | 64% |
In cell biology, what part of the cell contains organelles?
cell membrane |
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cytoplasm |
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nucleus |
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cell wall |
The nucleus of a eukaryotic cell contains the genetic material of the cell and is surrounded by cytoplasm which contains many organelles.
The energy posessed by a thrown baseball is an example of what kind of energy?
transitional |
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kinetic |
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potential |
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gravitational |
Kinetic energy is the energy posessed by a moving object. Potential energy is stored energy in a stationary object based on its location, position, shape, or state.
The angle of reflection is equal to which the following?
90° |
|
focal point |
|
refractive index |
|
angle of incidence |
The law of reflection specifies how waves, including light waves, bounce off of surfaces. Specifically, the angle of incidence of the approaching wave is equal to the angle of reflection of the reflected wave as measured from a line perpendicular (90°) to the surface.
An element in the physical state of __________ maintains a constant volume but their shape depends upon the shape of their container.
solid |
|
gas |
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plasma |
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liquid |
In the liquid state, molecules flow freely around each other and exist at a higher temperature range than the same substance in a solid state. Liquids maintain a constant volume but their shape depends upon the shape of their container.
I biome is made up of naturally occurring flora and fauna. Fauna is which of the following?
plants |
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minerals |
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habitats |
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animals |
A biome is a large naturally occurring community of flora (plants) and fauna (animals) occupying a major habitat (home or environment).