Educational worksheet helping students distinguish between potential and kinetic energy through real-world examples.
Worksheet titled "Potential or Kinetic?" with definitions and examples of potential and kinetic energy, including illustrations of an apple, rubber band, roller coaster, yoyo, and bow and arrow.
JPG
363×470
16.9 KB
Free · Personal Use
Quality Assured by Worksheets Library Team
Reviewed for educational accuracy and age-appropriateness
ID: #930747
⭐
Show Answer Key & Explanations
Step-by-step solution for: Potential or Kinetic Energy Worksheet Worksheets
▼
Show Answer Key & Explanations
Step-by-step solution for: Potential or Kinetic Energy Worksheet Worksheets
To solve this worksheet, we need to look at each object and decide if it has Potential Energy or Kinetic Energy.
Here is the rule to remember:
* Potential Energy: This is stored energy. Think of it as energy that is "waiting" to happen. If an object is still, high up, stretched, or compressed, it usually has potential energy.
* Kinetic Energy: This is the energy of motion. If an object is moving, falling, rolling, or flying, it has kinetic energy.
Let's go through each question step by step:
1. The apple in the tree: The apple is sitting still on a branch. It is high up, so gravity wants to pull it down, but it hasn't started moving yet. Because it is waiting to fall, it has potential energy.
2. The apple falling from the tree: Now the apple is moving downwards through the air. Since it is in motion, it has kinetic energy.
3. If the rubber band is still: A rubber band that is just lying there isn't stretched or snapped back. It is not moving and has no stored tension. In the context of these problems, an object at rest without tension is considered to have potential energy (specifically gravitational potential energy relative to the ground, or simply because it is not currently demonstrating kinetic motion). *Note: In many elementary science contexts, if it's not moving, it's categorized under potential/static states vs kinetic/moving states.* Let's look at the next part for context.
4. If the rubber band is stretched: When you stretch a rubber band, you are storing energy in it. It wants to snap back. This stored elastic energy is potential energy.
* *Correction/Refinement:* Let's re-evaluate #3. Usually, these worksheets contrast "still/high/stretched" (Potential) vs "moving/falling/snapping" (Kinetic).
* Item 3: "If the rubber band is still" -> It is not moving. Therefore, it is potential (as in, it has the potential to move, but currently holds its position).
* Item 4: "If the rubber band is stretched" -> This is definitely potential energy (elastic potential).
* *Wait, let's look closer at typical worksheet patterns.* Often, they might ask about the rubber band *snapping*. But here it says "stretched". Stretched = Potential. What about "still"? If it's just lying there, it's technically potential too. Let's look at the other examples to see the pattern.
* Roller coaster: Still = Potential. Moving = Kinetic.
* Yoyo: Still at top = Potential. Moving = Kinetic.
* Bow string: Still = Potential. Pulled = Potential? No, usually "pulled" implies the state before release. Let's read carefully.
* Bow string: "If the bow string is still" vs "If the bow string is pulled".
* Actually, usually the contrast is: Arrow in bow (Potential) vs Arrow flying (Kinetic). Or Bow pulled back (Potential) vs Bow releasing (Kinetic).
* Let's look at the specific wording again.
* "If the bow string is still" -> Likely means relaxed/not in use? Or just held steady?
* "If the bow string is pulled" -> This stores energy. This is potential energy.
* Let's re-read the first one. Apple in tree (Potential). Apple falling (Kinetic).
* Rubber band still (Potential). Rubber band stretched (Potential). *This seems redundant.* Is it possible "still" implies it's just sitting there (Potential) and "stretched" is also Potential? Yes. Elastic potential is a type of potential energy.
* Let's check the roller coaster. Still (at the top presumably) = Potential. Moving = Kinetic.
* Yoyo: Still at top = Potential. Moving = Kinetic.
* Bow string: Still = Potential. Pulled = Potential.
* *Self-Correction*: Sometimes worksheets use "Still" to mean "Not moving" (Potential) and any action of movement as Kinetic. However, stretching a rubber band doesn't make it move across the room, it stores energy. So both "still" and "stretched" rubber bands represent Potential Energy in different forms (gravitational/chemical vs elastic). But wait, is there a trick?
* Let's look at the bow. "If the bow string is still" -> Potential. "If the bow string is pulled" -> Potential.
* Actually, looking at similar online worksheets, often the second option for the rubber band is "snapping" or "flying". But the text clearly says "stretched". And for the bow, it says "pulled". Both stretching and pulling store energy. So they are both Potential.
* Let's reconsider the "Still" options.
* Apple in tree: Potential.
* Rubber band still: Potential.
* Roller coaster still: Potential.
* Yoyo still at top: Potential.
* Bow string still: Potential.
* Now the active/motion ones:
* Apple falling: Kinetic.
* Rubber band stretched: This is the tricky one. Stretching *stores* potential energy. It is not kinetic until it snaps. So it is Potential.
* Roller coaster moving: Kinetic.
* Yoyo moving: Kinetic.
* Bow string pulled: Pulling the string stores energy. It is Potential.
* *Alternative Interpretation*: Could "Still" mean zero energy? No, everything has some potential. The worksheet defines Kinetic as "energy that is working" (moving). So if it's not moving, it's Potential.
* Therefore:
* Apple in tree: Not moving -> Potential
* Apple falling: Moving -> Kinetic
* Rubber band still: Not moving -> Potential
* Rubber band stretched: Not moving (just held tight) -> Potential (Elastic Potential)
* Roller coaster still: Not moving -> Potential
* Roller coaster moving: Moving -> Kinetic
* Yoyo still at top: Not moving -> Potential
* Yoyo moving: Moving -> Kinetic
* Bow string still: Not moving -> Potential
* Bow string pulled: Not moving (held back) -> Potential (Elastic Potential)
* *Wait*, did I miss a nuance? Let's look at the definitions provided in the image header.
* "Potential Energy is stored energy and is waiting to work."
* "Kinetic Energy is energy that is working."
* Applying this definition strictly:
* Apple in tree: Stored/waiting. -> Potential
* Apple falling: Working/moving. -> Kinetic
* Rubber band still: Waiting. -> Potential
* Rubber band stretched: Stored energy (waiting to snap). -> Potential
* Roller coaster still: Waiting. -> Potential
* Roller coaster moving: Working. -> Kinetic
* Yoyo still at top: Waiting. -> Potential
* Yoyo moving: Working. -> Kinetic
* Bow string still: Waiting. -> Potential
* Bow string pulled: Stored energy (waiting to release arrow). -> Potential
* It seems unusual to have so many "Potential" answers, but physically, stretching a rubber band or pulling a bow string *is* creating potential energy. It only becomes kinetic when you let go. Since the prompt doesn't say "let go" or "snapping", but rather "stretched" and "pulled" (states of being), they are both Potential.
* *Let's double check common 5th-grade science traps.* Sometimes "Still" is contrasted with "Moving".
* If the question meant "The rubber band snapping", it would be Kinetic. But it says "stretched".
* If the question meant "The arrow flying", it would be Kinetic. But it says "bow string is pulled".
* Therefore, the answers for the stretched/pulled items are indeed Potential.
Final Answer:
The apple in the tree is potential energy.
The apple falling from the tree is kinetic energy.
If the rubber band is still it is potential energy.
If the rubber band is stretched it is potential energy.
If the roller coaster is still, it is potential energy.
If it is moving, it is kinetic energy.
If the yoyo is still at the top, it is potential energy.
If the yoyo is moving, it is kinetic energy.
If the bow string is still it is potential energy.
If the bow string is pulled it is potential energy.
Here is the rule to remember:
* Potential Energy: This is stored energy. Think of it as energy that is "waiting" to happen. If an object is still, high up, stretched, or compressed, it usually has potential energy.
* Kinetic Energy: This is the energy of motion. If an object is moving, falling, rolling, or flying, it has kinetic energy.
Let's go through each question step by step:
1. The apple in the tree: The apple is sitting still on a branch. It is high up, so gravity wants to pull it down, but it hasn't started moving yet. Because it is waiting to fall, it has potential energy.
2. The apple falling from the tree: Now the apple is moving downwards through the air. Since it is in motion, it has kinetic energy.
3. If the rubber band is still: A rubber band that is just lying there isn't stretched or snapped back. It is not moving and has no stored tension. In the context of these problems, an object at rest without tension is considered to have potential energy (specifically gravitational potential energy relative to the ground, or simply because it is not currently demonstrating kinetic motion). *Note: In many elementary science contexts, if it's not moving, it's categorized under potential/static states vs kinetic/moving states.* Let's look at the next part for context.
4. If the rubber band is stretched: When you stretch a rubber band, you are storing energy in it. It wants to snap back. This stored elastic energy is potential energy.
* *Correction/Refinement:* Let's re-evaluate #3. Usually, these worksheets contrast "still/high/stretched" (Potential) vs "moving/falling/snapping" (Kinetic).
* Item 3: "If the rubber band is still" -> It is not moving. Therefore, it is potential (as in, it has the potential to move, but currently holds its position).
* Item 4: "If the rubber band is stretched" -> This is definitely potential energy (elastic potential).
* *Wait, let's look closer at typical worksheet patterns.* Often, they might ask about the rubber band *snapping*. But here it says "stretched". Stretched = Potential. What about "still"? If it's just lying there, it's technically potential too. Let's look at the other examples to see the pattern.
* Roller coaster: Still = Potential. Moving = Kinetic.
* Yoyo: Still at top = Potential. Moving = Kinetic.
* Bow string: Still = Potential. Pulled = Potential? No, usually "pulled" implies the state before release. Let's read carefully.
* Bow string: "If the bow string is still" vs "If the bow string is pulled".
* Actually, usually the contrast is: Arrow in bow (Potential) vs Arrow flying (Kinetic). Or Bow pulled back (Potential) vs Bow releasing (Kinetic).
* Let's look at the specific wording again.
* "If the bow string is still" -> Likely means relaxed/not in use? Or just held steady?
* "If the bow string is pulled" -> This stores energy. This is potential energy.
* Let's re-read the first one. Apple in tree (Potential). Apple falling (Kinetic).
* Rubber band still (Potential). Rubber band stretched (Potential). *This seems redundant.* Is it possible "still" implies it's just sitting there (Potential) and "stretched" is also Potential? Yes. Elastic potential is a type of potential energy.
* Let's check the roller coaster. Still (at the top presumably) = Potential. Moving = Kinetic.
* Yoyo: Still at top = Potential. Moving = Kinetic.
* Bow string: Still = Potential. Pulled = Potential.
* *Self-Correction*: Sometimes worksheets use "Still" to mean "Not moving" (Potential) and any action of movement as Kinetic. However, stretching a rubber band doesn't make it move across the room, it stores energy. So both "still" and "stretched" rubber bands represent Potential Energy in different forms (gravitational/chemical vs elastic). But wait, is there a trick?
* Let's look at the bow. "If the bow string is still" -> Potential. "If the bow string is pulled" -> Potential.
* Actually, looking at similar online worksheets, often the second option for the rubber band is "snapping" or "flying". But the text clearly says "stretched". And for the bow, it says "pulled". Both stretching and pulling store energy. So they are both Potential.
* Let's reconsider the "Still" options.
* Apple in tree: Potential.
* Rubber band still: Potential.
* Roller coaster still: Potential.
* Yoyo still at top: Potential.
* Bow string still: Potential.
* Now the active/motion ones:
* Apple falling: Kinetic.
* Rubber band stretched: This is the tricky one. Stretching *stores* potential energy. It is not kinetic until it snaps. So it is Potential.
* Roller coaster moving: Kinetic.
* Yoyo moving: Kinetic.
* Bow string pulled: Pulling the string stores energy. It is Potential.
* *Alternative Interpretation*: Could "Still" mean zero energy? No, everything has some potential. The worksheet defines Kinetic as "energy that is working" (moving). So if it's not moving, it's Potential.
* Therefore:
* Apple in tree: Not moving -> Potential
* Apple falling: Moving -> Kinetic
* Rubber band still: Not moving -> Potential
* Rubber band stretched: Not moving (just held tight) -> Potential (Elastic Potential)
* Roller coaster still: Not moving -> Potential
* Roller coaster moving: Moving -> Kinetic
* Yoyo still at top: Not moving -> Potential
* Yoyo moving: Moving -> Kinetic
* Bow string still: Not moving -> Potential
* Bow string pulled: Not moving (held back) -> Potential (Elastic Potential)
* *Wait*, did I miss a nuance? Let's look at the definitions provided in the image header.
* "Potential Energy is stored energy and is waiting to work."
* "Kinetic Energy is energy that is working."
* Applying this definition strictly:
* Apple in tree: Stored/waiting. -> Potential
* Apple falling: Working/moving. -> Kinetic
* Rubber band still: Waiting. -> Potential
* Rubber band stretched: Stored energy (waiting to snap). -> Potential
* Roller coaster still: Waiting. -> Potential
* Roller coaster moving: Working. -> Kinetic
* Yoyo still at top: Waiting. -> Potential
* Yoyo moving: Working. -> Kinetic
* Bow string still: Waiting. -> Potential
* Bow string pulled: Stored energy (waiting to release arrow). -> Potential
* It seems unusual to have so many "Potential" answers, but physically, stretching a rubber band or pulling a bow string *is* creating potential energy. It only becomes kinetic when you let go. Since the prompt doesn't say "let go" or "snapping", but rather "stretched" and "pulled" (states of being), they are both Potential.
* *Let's double check common 5th-grade science traps.* Sometimes "Still" is contrasted with "Moving".
* If the question meant "The rubber band snapping", it would be Kinetic. But it says "stretched".
* If the question meant "The arrow flying", it would be Kinetic. But it says "bow string is pulled".
* Therefore, the answers for the stretched/pulled items are indeed Potential.
Final Answer:
The apple in the tree is potential energy.
The apple falling from the tree is kinetic energy.
If the rubber band is still it is potential energy.
If the rubber band is stretched it is potential energy.
If the roller coaster is still, it is potential energy.
If it is moving, it is kinetic energy.
If the yoyo is still at the top, it is potential energy.
If the yoyo is moving, it is kinetic energy.
If the bow string is still it is potential energy.
If the bow string is pulled it is potential energy.
Parent Tip: Review the logic above to help your child master the concept of potential energy and kinetic energy worksheet.
