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Science Questions and Answers (Q&A)

What is the scientific name of corn?
H. Barnes, Unemployed
Answered: Jan 12, 2021
The scientific or botanical name of corn is Zea mays. While it is known as corn in some parts of the world, others know it as maize. Corn or maize is an example of cereal that many people believe...Read More

5 Answers

1874 views
Which instrument is used to measure temperature?
D. gray, Builder
Answered: Apr 04, 2019
The thermometer is mainly used in order to measure the temperature of different objects. People normally use the thermometer to check their current temperature. A temperature that is above 37 is...Read More

4 Answers

1701 views
How much atmospheric pressure can the human body take?
H. Barnes, Unemployed
Answered: Jan 12, 2021
Humans survive a range of atmospheric pressures. Provided there is pure oxygen available, a human can still breathe in around 12.2 % sea level air pressure. At the other extreme, the normal...Read More

3 Answers

1630 views
What is the study of stars called?
H. Barnes, Unemployed
Answered: Jan 12, 2021
The branch of science that studies stars is known as astronomy. Simply put, astronomy is the study of the physical universe beyond the Earth's atmosphere. In other words, it is the study of...Read More

6 Answers

1233 views
What is the amount of matter in an object?
H. Barnes, Unemployed
Answered: Jan 12, 2021
The amount of matter in an object is known as mass. In physics, the term mass refers to the quantity of matter which a body contains regardless of its volume. While the basic SI unit for...Read More

3 Answers

1077 views
How do you separate iron filings from talc powder?
H. Barnes, Unemployed
Answered: Jan 12, 2021
The best way to separate iron filings from talc powder is by using a magnet. This idea or separation technique is very simple because by moving a magnet over a mixture of iron filings and talc...Read More

4 Answers

940 views
How does excitatory postsynaptic potential (EPSP) in a typical neuron occur?
C.Dorothy
Answered: Apr 18, 2018
A voltage change from -70 mV to -69.5 mV
In neuroscience, an excitatory postsynaptic potential (EPSP) is a postsynaptic potential that makes the postsynaptic neuron more inclined to...Read More

3 Answers

800 views
What should the absorbance be if light is passed through the same solution at the same wavelength and the light path is reduced to 1 cm?
H. Barnes, Unemployed
Answered: Jan 12, 2021
The best way to answer this question is by using a formula. The formula to use here is Absorbance= eLc (where e is the molar extinction coefficient, L is the path length, and c is the...Read More

5 Answers

704 views
What is the difference between gasoline and petrol?
C. Perez, Writer
Answered: Jan 12, 2021
Gasoline and petrol are both the same, as they are essentially referring to the same substance. Gasoline or petrol is one of the by-products during the refining of crude oil. It is a flammable...Read More

4 Answers

697 views
What is the difference between Fact and Myth?
C. Perez, Writer
Answered: Jan 12, 2021
Facts are statements about anything, which have been agreed upon by a substantial number of experts. Facts are mostly products of scientific discoveries. The word fact refers to something real,...Read More

2 Answers

621 views
Can you name some bad heat insulator?
C. Perez, Writer
Answered: Jan 12, 2021
Good heat insulators are materials that are poor conductors of heat or thermal energy. Examples are plastics, wood, gases, etc. Heat insulators are materials that do not allow heat energy to be...Read More

3 Answers

522 views
What is the name of a scientist who studies weather?
C. Perez, Writer
Answered: Jan 12, 2021
An individual who studies weather is called a meteorologist. A meteorologist studies meteorology (a science that deals with the study of the atmosphere and its phenomena). A meteorologist is a...Read More

3 Answers

521 views
Which level of organization completes a series of tasks?
Malcolm Carneal, Digital Nomad
Answered: Jun 27, 2019
The correct answer to this question is organ system. As the name suggests this system is made from a group of organs. These organs work together to carry out functions in the body. There are...Read More

2 Answers

519 views
What is the name of the instrument that measures temperature?
L. Brett, Sales Manager
Answered: Nov 27, 2018
A thermometer measures a person/s body temperature. This might be under the tongue or under the arm in the armpit/ Don't get thermometer mixed up with a tempometer. Best write it as tempo meter,...Read More

4 Answers

485 views
What is absent when coal is formed?
C. Perez, Writer
Answered: Jan 12, 2021
Scientists believe the formation of coal is due to the decay of huge plants that once lived in swamp forests. The decay of these huge plants and remains of animals over the years resulted in the...Read More

3 Answers

468 views

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