| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.09 |
| Score | 0% | 62% |
Elements in the Periodic Table of the Elements are ordered by which of the following?
atomic number |
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atomic mass |
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number of electron shells |
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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 these is matter than cannot be separated into different types of matter by ordinary chemical methods?
atom |
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element |
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molecule |
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compound |
An element is matter than cannot be separated into different types of matter by ordinary chemical methods.
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?
radiation |
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reflection |
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convection |
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conduction |
Convection is the transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
Examples of secondary consumers include:
chickens |
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grasshoppers |
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plankton |
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wolves |
Secondary consumers (carnivores) subsist mainly on primary consumers. Omnivores are secondary consumers that also eat producers. Examples are rats, fish, and chickens.
In the heart, the __________ artery and vein manage blood flow to the lungs.
aorta |
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atrial |
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pulmonary |
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capillary |
The two largest veins in the body, the venae cavae, pass blood to the right ventricle which pumps the blood to the lungs through the pulmonary artery. Blood picks up oxygen in the lungs and returns it to the left atrium via the pulmonary vein.