Bill Nye Motion Worksheet with completed answers, highlighting concepts like inertia, gravity, and Newton's Three Laws of Motion.

The worksheet you've uploaded is a Bill Nye Motion Worksheet, designed to accompany a video about motion and Newton's laws. The student, Mikayla Liner, has already filled in most of the answers. Below is a complete explanation of each question and its correct answer, based on scientific principles and typical content from Bill Nye’s "Motion" episode.

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1. Inertia is a property of matter.

- ✔ Correct Answer: *matter*
- Explanation: Inertia is the resistance of any physical object to changes in its velocity. It is an intrinsic property of all matter.

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2. What force was holding the anvil up?

- ✔ Answer: *The chain*
- Explanation: In the video, the anvil is suspended by a chain. The tension in the chain counteracts gravity and holds the anvil in place.

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3. What force is pulling the anvil down?

- ✔ Answer: *Gravity*
- Explanation: Gravity is the force that pulls objects toward the Earth. It acts on the anvil, pulling it downward.

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4. When he flicked the card, where did the coin go?

- ✔ Answer: *into the glass*
- Explanation: This demonstrates inertia. When the card is flicked quickly, the coin remains at rest due to inertia and falls straight down into the glass below.

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6. Whether moving or sitting still, everything has inertia.

- ✔ Answer: *inertia*
- Explanation: All objects have inertia — the tendency to resist changes in motion — whether they are at rest or in motion.

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7. The men who were trying to move the boxes read that: Nothing gets moved unless they get pushed or pulled.

- ✔ Answer: *Nothing gets moved unless it is pushed or pulled.*
- Explanation: This reflects Newton’s First Law of Motion: An object will not change its state of motion unless acted upon by an external force (a push or pull).

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Newton’s 1st Law

#### 8. Things at rest, stay at rest
- ✔ Answer: *rest*
- Explanation: Part of Newton’s First Law — if no net force acts on an object, it remains at rest.

#### 9. Things in motion stay in motion unless acted upon by an outside force.
- ✔ Answer: *motion*
- Explanation: The other half of Newton’s First Law — moving objects continue moving at constant velocity unless a force acts on them.

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Newton’s 2nd Law of Motion

#### 10. Force = Mass times acceleration.
- ✔ Answer: *Mass*
- Explanation: This is the formula:
$$
F = m \times a
$$
Where:
- $F$ = Force
- $m$ = mass
- $a$ = acceleration

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Newton’s 3rd Law of Motion

#### 11. For every action there is an equal and opposite reaction.
- ✔ Answer: *reaction*
- Explanation: If one object exerts a force on another, the second object exerts an equal and opposite force back.

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12. What happened to the apple’s weight as the plane dived toward the ground?

- ✔ Answer: *B) got less or weightless*
- Explanation: During freefall (like when the plane dives), both the apple and the plane accelerate downward at the same rate (due to gravity). This creates a sensation of weightlessness because there is no normal force acting upward against gravity. The apple appears to float.

> 💡 Note: Weight is the force of gravity ($W = mg$), but in freefall, the *apparent* weight becomes zero.

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13. What happened to the apple’s weight as the plane rose up towards the sky?

- ✘ This question is missing an answer on the sheet.
- ✔ Correct Answer: *A) got larger or heavier*

- Explanation: When the plane accelerates upward (e.g., during takeoff or climbing), the normal force increases. This makes the apple feel heavier. The apparent weight increases because the plane is accelerating upward, adding to the effect of gravity.

> 📌 Example: On a scale, you’d weigh more when the elevator starts going up.

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✔ Final Summary of Answers:

| Question | Answer |
|--------|--------|
| 1 | matter |
| 2 | The chain |
| 3 | Gravity |
| 4 | into the glass |
| 6 | inertia |
| 7 | Pushed or pulled |
| 8 | rest |
| 9 | motion |
| 10 | Mass |
| 11 | reaction |
| 12 | B) got less or weightless |
| 13 | A) got larger or heavier |

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🔍 Key Concepts Covered:

- Inertia – Resistance to change in motion.
- Newton’s Laws:
- 1st: Objects stay at rest or in uniform motion unless acted upon.
- 2nd: $F = ma$
- 3rd: Action-reaction pairs.
- Apparent weight changes with acceleration (e.g., in elevators or planes).

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