PHYSICS MIDDLE SCHOOL

Which statement best describes beaches?A.) Beaches are always changing due to factors such as waves adding and eroding sand.

B.) Beaches change little over time as waves follow the same patterns year after year.

C.) Beaches change little over time as wind patterns stay the same.

D.) Beaches change little over time as waves move further up the shore.

Answers

Answer 1
Answer: I would say A. Beaches are always changing due to factors such as waves adding and eroding sand 
Answer 2
Answer: A is a good example, i suppose.             

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Answer:

The higher the better. Inside the atmosphere since sound cant travel without a atmosphere

Explanation:

Answer:

higher evaluations = faster sound travel

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A charged particle creates a(n) _____________field. Once this particle is in motion, this creates a(n) ____________ field.

Answers

A charged particle has an electrostatic field surrounding it.

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When energy (heat) is added to matter the molecules (particles) move _______ and farther ______.

Answers

Answer:

energy

Explanation:                                                                                                      transferred from the warmer object to the cooler one. The movement of thermal energy from a substance at a higher temperature to one at a lower temperature is called heat. When a substance is heated, it gains thermal energy. Therefore, its particles move faster and its temperature rises.
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Which type of energy increases when an object’s atoms move faster? A.nuclear B.mechanical C.chemical D.thermal

Answers

Answer: The correct option is D.

Explanation:

Thermal energy is the internal energy of the object due to the motion of the particles.

The kinetic energy is due to the motion of the particles. If the system has kinetic energy then it will have thermal energy.

When the object's atoms move faster then the thermal energy  increases.

Therefore, the correct answer is thermal energy.
When an object's atoms move faster, its thermal energy increases and the object becomes warmer.

It is incorrect to say the temperature of an object is 23k why

Answers

It is incorrect because 23 k is 23 kelvins and not 23 degrees kelvin.
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