PHYSICS MIDDLE SCHOOL

Distinguish between "conduction", "convection" and radiation as related to heat transfer.​

Answers

Answer 1
Answer: Conduction occurs when a substance is transferring heat via touching.
Convention occurs when the substance being heated begins a cycle of cooling and heating. the heat goes to the opposite side of which the substance is being heated and the substance is cooled on the corresponding side, this cycle continues until the heat source is extinguished.
Radiation occurs when the heat of a substance is being transferred via gas form. Ex: sunburn.

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How do liquid water , ice and water vapor differnt from eachother

Answers

ice is a solid and then it has to turn into a liquid to eveaporat and liquid water just evaporates

The speedometer in a car gives gives the car's ____ speed

Answers

Current Speed, as it couldn't be the average speed or anything like that since it's constantly changing. (It made me write the extra stuff)

WHAT WOULD HAPPEN IF A HUMAN'S BODY TEMPERATURE WAS 98.6 DEGREES CELSIUS??

Answers

You would die you would be 209.48 Fahrenheit and being higher than 107 Fahrenheit is very bad so imagine what would happen to you :(

Answer:

You would die you would be 209.48 Fahrenheit and being higher than 107 Fahrenheit is very bad so imagine what would happen to you :(

Explanation:

Most geologists think that the movement of Earth's plates is cause by a) conduction 
b) earthquake 
c) convection currents in the mantle 
d) earth's magnetic field

Answers

c) convection currents in the mantle 
(C) convection currents in the mantle.
Most scientists or geologists believe that the movement of Earth's plates is caused by convection currents in the mantle.

How many electrons do all halogen atoms need to fill their outer energy level?

Answers

Answer:

Seven

Explanation:

Because all halogens have seven valence electrons, they are “eager” to gain one more electron. Doing so gives them a full outer energy level, which is the most stable arrangement of electrons. Halogens often combine with alkali metals in group 1 of the periodic table.

Answer:

Halogens only need one electron to complete their valkance shells.

Explanation:

Halogens are present in the VIIA group of the periodic table so seven electrons are already present. one is needed to become stable.

Which body system make movement possible

Answers

The intestinal system, which is part of the alimentary system.
Muscular system makes movement possible
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