Physics Course 1 (Student Q&A) [Bonus] (~3h)

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Light and Color 12 Topics

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Do we receive light of all wavelengths from distant stars?

How do we see darkness?

Do light and heat travel together?

What is color? (Electromagnetic Spectrum)

What is the difference between color and light?

Are photons made of other particles, such as protons?

What is a photon composed of?

Light as a wave and a particle?

Do the particles move in the direction of the wave?

Is there a common light that enters everyone’s eyes?

1) What happens when two lasers meet? & 2) Difference in speed of light in air vs. Water?

How do cell phones and remote controls send signals? Where do the signals go?

Electricity 5 Topics

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How do lightbulbs work?

How do rechargeable batteries work?

What is the difference between reactions in batteries and the sun?

Why do flashlights not always work even when the batteries have charge?

1) Why does current always flow from negative to positive? & 2) Do plants have electric charge? eg. potatoes

Forces 5 Topics

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If there are equal and opposite forces, how can a rock break glass? What about two eggs?

Will a ball thrown at the wall return to its original position due to the equal and opposite force?

1) Is the force of a hand pushing on a wall being reflected back? Or is it a new force being produced? & 2) Is the force a wave or a particle or something else?

How do objects bounce off the floor?

Relationship between force and the speed of a car?

Gravity 5 Topics

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What is the difference between mass and weight?

Are people of different weights experiencing different forces?

What creates the pressure in the center of the Sun?

What forces would an object experience at the center of the Earth?

What the is difference between magnetism and gravity?

Miscellaneous 7 Topics

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1) What is the role of the perceiver when looking at the sun? & 2) What is the scientific definition of fire?

Do the same particles that compose fire also compose the Sun?

1) Is the sun always radiating energy? & 2) What causes years vs. day/night?

Will the Sun explode?

Electromagnetic Spectrum and Temperature

How do animal senses work? (bat and owl)

Why do bats use echolocation at night?

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