284 Best Science Questions and Answers (Q&A) - ProProfs Discuss

Matz Lewis Clark, College student
Answered: Dec 12, 2018

The scientific name of corn is “Zea mays”. Corn belongs to the:
Kingdom: Plantae, Division: Magnoliophyta, Class: Liliopsida, Order: Poales, Family: Poaceae, Genus: Zea and the...Read More

8 Answers

1945 views

Which instrument is used to measure temperature?

L. Brett, Sales Manager
Answered: Jan 26, 2021

The instrument used for measuring temperature is a thermometer. Temperature generally can be defined as the state or degree of heat or coldness within a substance which can be measured. The...Read More

8 Answers

1790 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

6 Answers

1721 views

What is the study of stars called?

E. Dixon
Answered: Sep 30, 2020

The correct answer to this question is astronomy. This field of study was discovered by Nicolaus Copernicus. Astronomy combines a number of other subjects, including chemistry, math, and physics....Read More

9 Answers

1321 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

6 Answers

1111 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

7 Answers

1035 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

7 Answers

849 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

7 Answers

803 views

What is the difference between gasoline and petrol?

C. Reyes
Answered: May 15, 2018

There really is no difference between gasoline and petrol. Both words refer to the same thing which is the fuel that is used in an internal combustion engine. In the United States and Canada,...Read More

7 Answers

730 views

What is the difference between Fact and Myth?

Matz Lewis Clark, College student
Answered: Jun 07, 2019

A fact is something that has been deemed truthful based on some scientific studies. A myth is something that is not proven to be true at the present time. Some even say that a myth is not true at...Read More

5 Answers

675 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

588 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

6 Answers

581 views

Which is considered the greatest triumph of Mendeleev's periodic table?

E. Barnes, Professional Gamer
Answered: Feb 26, 2019

The correct answer to this question is Dmitri Mendelev, a Russian inventor and chemist, created the Periodic Table of Elements, which is one of the most reliable tables in science. In 1856,...Read More

3 Answers

566 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

6 Answers

565 views

What is absent when coal is formed?

B. Mary, Health Care manager
Answered: Jan 18, 2021

Coal is a sedimentary rock that is created from the buildup and conservation of plant material. This creation takes place in a swamp environment. Coal is one of the three most important fossil...Read More

5 Answers

565 views

Science Questions and Answers (Q&A)

Related Topics Of Science

Related