Fast and slow motion | 1st grade, 2nd grade, Kindergarten Science ... - Free Printable

It looks like you've uploaded a worksheet titled "Fast and slow motion" from a science activity designed for children, likely in primary school. The task involves understanding how forces affect motion — specifically, how to make objects move faster or slower.

Let’s go through the worksheet step by step, solve each question, and explain the science behind it.

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🔍 Worksheet Overview

Title: Fast and Slow Motion
Objective: Understand how pushes and pulls (forces) affect motion — making things go faster or slower.

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🧪 Science Activity: Answer the questions about making things move faster or slower.

#### 1. How can Jason make the ball roll faster?
- Answer: Jason can push the ball harder.
- Explanation: A stronger push (greater force) increases the speed of the ball. According to Newton's Second Law of Motion, greater force leads to greater acceleration (change in speed).

> ✔ *Push harder → more force → faster motion.*

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#### 2. How can Amy make the ball go faster?
- Answer: Amy can kick the ball with more force.
- Explanation: Like pushing, kicking harder applies more force to the ball, increasing its speed. The strength of the kick determines how fast the ball moves.

> ✔ *Kick harder → more force → faster motion.*

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#### 3. How can Luke make the bike go slower?
- Answer: Luke can use the brakes or pedal less.
- Explanation: Brakes apply a force opposite to the direction of motion (friction), which slows the bike down. Pedaling less reduces the forward force, so the bike slows due to friction and air resistance.

> ✔ *Use brakes or stop pedaling → reduce force → slower motion.*

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#### 4. How can Anna make the ball move faster?
- Answer: Anna can throw the ball harder.
- Explanation: Throwing with more force increases the initial speed of the ball. The harder she throws, the faster it will travel.

> ✔ *Throw harder → more force → faster motion.*

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🔬 Science Explanation Section

> Design and conduct an experiment to see how you can make a marble move quickly and slowly through a cardboard tube.

#### ✔ Suggested Experiment:

Materials Needed:
- Marble
- Cardboard tube (e.g., from a toilet paper roll)
- Flat surface
- Ruler or measuring tape

Steps:
1. Place one end of the tube on the floor and raise the other end slightly to create a slope.
2. Let the marble roll down the tube from the high end.
3. Observe how fast it rolls.
4. Try different angles:
- Steeper slope → faster motion (gravity pulls harder).
- Shallower slope → slower motion.
5. Also try:
- Pushing the marble gently vs. hard at the start.
- Adding friction (e.g., rough paper inside the tube) to slow it down.

What You’ll Learn:
- Gravity and pushes affect speed.
- More force (push or slope) = faster motion.
- Friction and less force = slower motion.

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🌟 Key Science Concept:

> Force affects motion:
> - More force → faster motion
> - Less force or opposing force → slower motion

This is based on Newton’s Laws of Motion, especially:
- First Law: Objects stay at rest or in motion unless acted upon by a force.
- Second Law: Acceleration depends on force and mass (F = ma).

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✔ Final Answers Summary:

| Question | Answer |
|--------|--------|
| How can Jason make the ball roll faster? | Push it harder. |
| How can Amy make the ball go faster? | Kick it harder. |
| How can Luke make the bike go slower? | Use the brakes or stop pedaling. |
| How can Anna make the ball move faster? | Throw it harder. |

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💡 Teaching Tip:

Encourage students to test their ideas using simple experiments (like rolling marbles or pushing toys). This helps them connect theory to real-world experiences.

Let me know if you'd like this turned into a printable answer sheet or need help designing the experiment!