PHYSICS MIDDLE SCHOOL

Describe one behavior that shows that light is a wave

Answers

Answer 1
Answer: All waves are known to undergo reflection or the bouncing off of an obstacle. Most people are very accustomed to the fact that light waves also undergo reflection. The reflection of light waves off of a mirrored surface results in the formation of an image.
Answer 2
Answer: when you look directly at a light and start to turn your eyes you can see the waves comming out

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Calculate the distance in kilometers that Charlie runs if he maintains an average speed of 8 km

Answers

8 km is not a speed. And even if it were, we would still need to know how much time Charlie spent running.

suface winds on earth are primarily caused by differences in...?

Answers

Surface winds on earth are primarily caused by differences in temperature.
Surface winds are displacements of air, which migrates to regions of high air pressure to pressure points that is less.

Will a seismic wave traveling through a solid go slower or faster than a seismic wave traveling through a liquid? Why?

Answers

You can't answer this question because you aren't giving the specific type of seismic waves. There is an s-wave a p-wave and an l-wave. Those are the basic waves. An S-wave cannot travel through a liquid at all. So, obviously it travels slower than any other seismic wave. 


It would travel faster because their speed depends on the density and composition of material that they pass through.

Heat always flows from a what place to a what place

Answers

Answer:

Heat flows from high temperature to low temperature

Explanation:

the answer also may vary it can also be the heat flows from a warmer to colder place

hope this helped!

Answer:

Heat is always the transfer of energy from an object at a higher temperature to an object at a lower temperature.

Explanation:

A certain material has a mass of 565 g while occupying 50 cm3 of space. What is this material?

Answers

Answer:

Lead

Explanation:

To get the density of the material, the formula would be:

mass divided by volume which is given by d = \frac { m } { v }.

Here in this problem, we are given a mass of 565 g which occupies a volume of 50 cm^3.

So plugging the data in the above formula to find the density:

Density = \frac { 565 } { 50 } = 11.3

From the table, we can see that the material is Lead which has a density of 11.3c/cm^3.

An ___________ is a current-carrying wire wrapped around an iron core.

Answers

That could be an electromagnet,
and it could also be an solenoid.
Your answer is simply, a electromagnet.
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