The general public needs to have an understanding of science in order to make in
ID: 280979 • Letter: T
Question
The general public needs to have an understanding of science in order to make informed decisions about the future of our species. How can a lay person go about learning enough to make informed decisions?
ask a friend
Wikipedia
Google it
ask their doctor
Look up a reliable website like a page with peer-reviewed articles
Flag this QuestionQuestion 41 pts
Life is organized. If energy is not inserted into life, ___________ occurs, which leads to death.
entropy
disorganization
exothermic reactions
disease
suffocation
Flag this QuestionQuestion 51 pts
What is cultural heritage?
how we treat each other
our ethics
our politics
what we pass to future generations that are not biological
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What is the difference between living and non-living?
non living things are disorganized
living things move around their environment
living things use energy
living things are very structured and orderly
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William was wondering why ice formed at the top of his swimming pool first. Why does ice form at the top of a body of water first and stay there and not sink?
Frozen water is less dense than liquid water.
Water molecules are cohesive.
Water has a high heat of vaporization.
Water is a solvent.
The temperature of liquid water rises and falls slowly.
Flag this QuestionQuestion 81 pts
A solution contains
dissolved substances
solvents
water
Flag this QuestionQuestion 91 pts
Which of the following is a molecule?
oxygen
water
oxygen
carbon
hydrogen
Flag this QuestionQuestion 101 pts
Which of the following is not contained in a hydrogen atom?
one proton
one neutron
one electron
nucleus
one energy shell
Flag this QuestionQuestion 111 pts
What is the salt content of our cells?
10%
0%
.9%
3.5%
3%
Explanation / Answer
1. Science provides basic knowledge about understanding life. A lay man may also gain knowledge about scientific proceedings and making consent decision. But the knowledge should be appropriate, trustworthy and a source of reliable authority. The reliability of a scientific knowledge should have credentials, proper affiliations, peer reviewed, analyzed by critical thinking.
Answer: Look up a reliable website like a page with peer-reviewed article.
2. As per Neuman’s model, considering human body as open system, entropy has been described as a process of energy depletion and disorganization. This moves the system toward illness or possible death.
Answer: Entropy.
3. Cultural heritage may be defined as: The legacy that is of physical artifacts and intangible attribute, inherited form past generations, and passed to the future generations for their benefit.
Answer: what we pass to the future generations that are not biological.
3.
Living things:
Non-living things:
Answer: All options.
4. At 4 degrees Celsius, water reaches its maximum density. When the temperature lowers it becomes less dense. This is due to hydrogen bonding. Thus, ice is less dense, and floats on water surface.
Answer: Frozen water is less dense than liquid water.
5. Solution is a mixture of two or more substances. Comprises of solvents and solutes. Water is a type of solvent.
Answer: all options.
6. A molecule is defined as: an electrically neutral group of atoms, held together by chemical bonds. .
Answer: water.
7. Hydrogen atom, contain only one proton and electron, and no neutron
Answer: Neutron.
8. Normal saline percentage is 0.9 % and is considered isotonic for our cells.
Answer: 0.9%.
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