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

Flag this QuestionQuestion 61 pts

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

Flag this QuestionQuestion 71 pts

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%

Answer 1

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:

• Living things are orderly structured, like cell oriented in orderly fashion to perform function of life. They can metabolize, grow and reproduce.
• Living things can move, like root of plants moving towards water and food.
• Living things use energy to perform various life activities, like metabolism.

Non-living things:

• Non-living things are not organized or structures in orderly manner. They do not reproduce.
• They cannot move.
• They do not consume energy.

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%.