Electricity, Magnetism & Waves Unit Test Block 1

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Which metal has the strongest magnetic attraction?

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What causes magnets to repel?

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What will happen if a magnet is cut in half?

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What increases when like poles of two magnets are pushed together?

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What type of magnetic field is shown in this image?

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Where on this magnet and its illustrated field lines is the magnetic force the strongest? Why?

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Why is Earth's magnetic field important for life on Earth?

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What is the transfer of charge that happens without direct contact called?

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How does static electricity differ from electric current?

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4

Describe the direction of the current flow in this circuit. Give 2 pieces of evidence that supports your explanation.

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Why are negatively charged particles that flow through a circuit sometimes called salmon?

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Is the electric field stronger within the white rectangle or within the blue rectangle?

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Provide evidence to support your claim in the previous question.

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Would you classify this object as a conductor or insulator?

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Would you classify this object as a conductor or insulator?

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Would you classify this object as a conductor or insulator?

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Would you classify this object as a conductor or insulator?

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What is the distance from one compression to the next on a longitudinal wave?

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What is the name given to the region in a Longitudinal Wave where the particles are furthest apart?

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__________ waves need a medium to be present to transfer energy.

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Electromagnetic waves are ___________waves and do not need a medium to travel.

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What is the name given to the region in a Longitudinal Wave where the particles are closest together?

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If you were to measure how many waves pass a certain point in a specific amount of time you would be measuring the _______________.

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All Electromagnetic Waves travel at the same ___________________ when in empty space.

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Based on the image above, which word below represents A?

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Based on the image above, which word below represents B?

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Based on the image above, which word below represents C?

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Based on the image above, which word below represents D?

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The image below shows waves with decreasing wavelength. Which of the following are also changing and how?

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As waves enter a new medium and refracts, what happens?

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A woman in an apartment building is watching a worker through her living room window. Which wave behavior allows light to pass through the window?

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A bat flying through the caves can barely see, but uses echolocation to sense it's surroundings. Which wave behavior is the bat relying on?

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The sun shining outside causes the side walk and road to become warm. What wave behavior makes the side walk hot?

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What wave behavior is illustrated in the picture?

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A wave interaction that results in a wave with a greater amplitude is what type of interaction?

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6

During our Wave Behavior Lab, we tested several materials for opacity (how much or little light passes through). Recreate your illustration showing the 3 levels of opacity. You may draw on paper and photograph or use the tools here. You do not need to draw 7 pictures, only 3.
As a reminder, the materials used were: 1. Brown Paper Bag, 2. White Square, 3. Clear Square, 4. Rough Square, 5. Brown & Red Square, 6. Black Bookmark & 7. Aluminum Foil.

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2

Examine the wave interference. What type of interaction is shown? If this were a light wave interaction, what you expect to see?

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2

Examine the wave interference. What type of interaction is shown? If this were a sound wave interaction, what you expect to hear?

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2

Using what you've learned about wave interactions, explain how noise cancelling headphones work.

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1

What lens type magnifies what is seen?

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Which wave has the longest wavelength on the Electromagnetic Spectrum and can be as long as a football field?

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These are the primary colors of light

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These waves on the Electromagnetic Spectrum carry the most energy.

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What color do you get when you mix red and green light?

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Why do we see an object in a certain color?

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What part of the eye contains rods and cones?

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If all colors of light are reflected by a material, it will appear what color

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Label the eye with the correct part
(light enters the eye first through this)

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Label the eye with the correct part (the colored part of the eye)

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Label the eye with the correct part (small circular opening that can constrict or dilate):

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BONUS: Label the eye with the correct part

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1

Label the eye with the correct part:

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1

Label the eye with the correct part:

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1

Label the eye with the correct part:

0

Which metal has the strongest magnetic attraction?

What causes magnets to repel?

What will happen if a magnet is cut in half?

What increases when like poles of two magnets are pushed together?

What type of magnetic field is shown in this image?

Where on this magnet and its illustrated field lines is the magnetic force the strongest? Why?

Why is Earth's magnetic field important for life on Earth?

What is the transfer of charge that happens without direct contact called?

How does static electricity differ from electric current?

Describe the direction of the current flow in this circuit. Give 2 pieces of evidence that supports your explanation.

Why are negatively charged particles that flow through a circuit sometimes called salmon?

Is the electric field stronger within the white rectangle or within the blue rectangle?

Provide evidence to support your claim in the previous question.

Would you classify this object as a conductor or insulator?

Would you classify this object as a conductor or insulator?

Would you classify this object as a conductor or insulator?

Would you classify this object as a conductor or insulator?

What is the distance from one compression to the next on a longitudinal wave?

What is the name given to the region in a Longitudinal Wave where the particles are furthest apart?

__________ waves need a medium to be present to transfer energy.

Electromagnetic waves are ___________waves and do not need a medium to travel.

What is the name given to the region in a Longitudinal Wave where the particles are closest together?

If you were to measure how many waves pass a certain point in a specific amount of time you would be measuring the _______________.

All Electromagnetic Waves travel at the same ___________________ when in empty space.

Based on the image above, which word below represents A?

Based on the image above, which word below represents B?

Based on the image above, which word below represents C?

Based on the image above, which word below represents D?

The image below shows waves with decreasing wavelength. Which of the following are also changing and how?

As waves enter a new medium and refracts, what happens?

A woman in an apartment building is watching a worker through her living room window. Which wave behavior allows light to pass through the window?

A bat flying through the caves can barely see, but uses echolocation to sense it's surroundings. Which wave behavior is the bat relying on?

The sun shining outside causes the side walk and road to become warm. What wave behavior makes the side walk hot?

What wave behavior is illustrated in the picture?

A wave interaction that results in a wave with a greater amplitude is what type of interaction?

Examine the wave interference. What type of interaction is shown? If this were a light wave interaction, what you expect to see?

Examine the wave interference. What type of interaction is shown? If this were a sound wave interaction, what you expect to hear?

Using what you've learned about wave interactions, explain how noise cancelling headphones work.

What lens type magnifies what is seen?

Which wave has the longest wavelength on the Electromagnetic Spectrum and can be as long as a football field?

These are the primary colors of light

These waves on the Electromagnetic Spectrum carry the most energy.

What color do you get when you mix red and green light?

Why do we see an object in a certain color?

What part of the eye contains rods and cones?

If all colors of light are reflected by a material, it will appear what color

Label the eye with the correct part(light enters the eye first through this)

Label the eye with the correct part (the colored part of the eye)

Label the eye with the correct part (small circular opening that can constrict or dilate):

BONUS: Label the eye with the correct part

Label the eye with the correct part:

Label the eye with the correct part:

Label the eye with the correct part:

BONUS: You can't see me, but I can see you; To be more specific, I see through. What am I?

Label the eye with the correct part
(light enters the eye first through this)