Educational worksheet teaching gravity and friction with illustrated examples for students to identify.

Let's solve this step-by-step based on the worksheet titled "Gravity and Friction".

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🔍 Understanding the Concepts

1. Gravity:
- A force that pulls objects downward toward Earth.
- It acts on all objects with mass.
- Examples: Apples falling from a tree, people falling when they trip, things sliding down slopes.

2. Friction:
- A force that occurs when two surfaces rub together.
- It opposes motion and can slow things down.
- Examples: Sliding on ice (low friction), walking without slipping (high friction), ice cream melting and sticking to the ground.

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🎯 Instructions

- Circle pictures showing gravity in red.
- Circle pictures showing friction in blue.

We'll go through each image:

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✔ Image Analysis

#### 1. Apple falling from a tree
- 🍎 An apple is falling downward from a tree.
- This is gravity pulling the apple down.
- ✔ Circle in RED → Gravity

#### 2. Person pushing a cloud
- ☁️ The person is pushing a cloud, but it’s not clear if there's motion or interaction.
- Clouds are not solid, and no visible rubbing or falling.
- ✘ Not clearly gravity or friction.
- ⚠️ No circle (not relevant)

#### 3. Person skiing/skiing down a slope
- ⛷️ The skier is moving downhill.
- Gravity is pulling them down the slope.
- Also, there is friction between skis and snow (slight resistance).
- But the main force shown is gravity causing the descent.
- ✔ Circle in RED → Gravity
(Also has friction, but primary force is gravity)

#### 4. Man being pushed by a car
- 🚗 The man is being pushed backward by a car.
- He is falling due to the push — likely due to inertia and gravity pulling him down.
- His fall is caused by gravity after losing balance.
- ✔ Circle in RED → Gravity
(The car pushing is contact, but gravity causes his fall)

#### 5. Boy dropping ice cream
- 🍦 Ice cream falls from his hand onto the ground.
- Clearly gravity pulling it down.
- ✔ Circle in RED → Gravity

#### 6. Person sliding on ice
- ❄️ Person sliding on icy surface.
- The ice has low friction, so he slides easily.
- This shows friction (or lack of it) — specifically, low friction.
- ✔ Circle in BLUE → Friction (because it's about the interaction between shoes and ice)

#### 7. Person falling off a box
- 🧱 Man stepping off a box and falling.
- He is falling due to gravity.
- ✔ Circle in RED → Gravity

#### 8. Children sliding down a water slide
- 🌊 They are going down a slide — pulled by gravity.
- Water reduces friction, but gravity is the main force.
- ✔ Circle in RED → Gravity
(Also involves friction, but dominant force is gravity)

#### 9. Man breaking glass
- 💥 He’s standing on broken glass.
- He didn’t fall — just stepped on it.
- Glass breaking suggests pressure, but no clear gravity or friction.
- However, he’s standing upright, so gravity is acting, but not visibly demonstrated.
- ✘ Not a strong example of either.
- ⚠️ No circle (ambiguous)

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✔ Final Answers

| Image | Description | Force Shown | Color |
|------|-------------|-------------|-------|
| 1 | Apple falling | Gravity | 🔴 Red |
| 2 | Pushing cloud | Neither | ✘ No |
| 3 | Skiing down hill | Gravity | 🔴 Red |
| 4 | Man pushed by car | Gravity (falling) | 🔴 Red |
| 5 | Ice cream drops | Gravity | 🔴 Red |
| 6 | Sliding on ice | Friction (low) | 🔵 Blue |
| 7 | Falling off box | Gravity | 🔴 Red |
| 8 | Kids on water slide | Gravity | 🔴 Red |
| 9 | Breaking glass | Not clear | ✘ No |

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✔ Summary of Circles:

- Red (Gravity): Images 1, 3, 4, 5, 7, 8
- Blue (Friction): Image 6

> Note: Image 6 shows friction because it's about the interaction between feet and ice (even though it's slippery).

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📝 Final Answer:

- Circle in RED: 1, 3, 4, 5, 7, 8
- Circle in BLUE: 6

> Images 2 and 9 do not clearly show gravity or friction and should not be circled.

Let me know if you'd like a printable version with markings!