Question
fill in the blanks
Part 1: Test Your Electromagnet’s Performance
Materials
For each of the following tests, you will need some or all of the materials listed below:
2 D-cell Batteries
nail, 3-inch (7.6 cm) or longer (made of zinc, iron, or steel, but not aluminum)
3 feet (.6 m) insulated copper wire (at least AWG 22 or higher)
box of small metal paper clips
masking tape
Procedures
Several procedures are listed in the Practice section of the portfolio. Follow the instructions for each test, and record your data in the tables provided below.
Tables
Number of Loops Test
Tested Component
Trials
1. Number of paper clips picked up by the 30-turn coil without a core
2. Number of paper clips picked up by the 60-turn coil without a core
3. Average for the trials in column 2
4. Ranking
Number of turns in the coil
Trial 2
Trial 3
Place an Iron Core in the Coil Test
Tested Component
Trials
1. Number of paper clips picked up by the 30-turn coil without a core
2. Number of paper clips picked up by the 30-turn coil with a core
3. Average for the trials in column 2
4. Ranking
Iron Core
Trial 1
Trial 2
Trial 3
Double the Current Through the Coil Test
Tested Component
Trials
1. Number of paper clips picked up by the 30-turn coil without a core
2. Number of paper clips picked up by the 30-turn coil with a core but with 2 D-cell batteries
3. Average for the trials in column 2
4. Ranking
Doubling the current
Trial 1
Trial 2
Trial 3
Part 2: Evaluate Your Electromagnet’s Performance
Data Analysis and Questions
Find the average for each of the three trials in column 2 and record your answer in column 3 for each of the data tables.
Which coil configuration served as the control during this experiment? Why was it important to use a control in this experiment?
In column 4 of each data table, rank the electromagnet changes from 1 to 4, with 1 being the change that picked up the most paperclips and 4 being the least paperclips picked up.
Based on your ranking in column 4 of the Electromagnet Data Table, changes to which component yields the greatest change in electromagnet strength?
Given unlimited resources (amount of wire, space to put electromagnet, number of batteries or electric source, etc.), describe how you would build the best (strongest) electromagnet below. Draw a picture of your “better electromagnet” and label the important features. Scan and insert your picture below your description.
Part 3: Show What You Know
Show What You Know
Consider the diagram of changes in kinetic and potential energy of a roller coaster as it moves up and down its track.
Draw a simple graph. Label the horizontal (x) axis “Time” and label the vertical (y) axis “Kinetic energy.” Do not include units, as you will be plotting only general increases and decreases.
Use this blank graph for activity A below.
Source: Oxford Designers & Illustrators Ltd/Pearson Education Ltd
On the graph, draw a curve showing the changes in the kinetic energy of the roller coaster pictured in the illustration, starting at the point where the cars are pictured. (Hint: The kinetic energy increases when potential energy decreases because the potential energy converts to kinetic energy.)
How does your graph compare to the illustration of the roller coaster?
Try This
Observe your surroundings and consider processes that you experience every day. Identify three or more other examples of processes and devices that convert energy from one form to another. If you are unsure of the forms of energy that are converted, carry out a quick online search.
Present your ideas to your Learning Coach. You may do this verbally or by writing or drawing. Explain the reasoning behind your ideas. Be open to discussion. Review the glossary to prepare for your next assignment.
1.
2.
3.
Part 4: Reflect
Reflect
Review your completed activities that are to be submitted to your Learning Coach, including your design plan and table of evaluation results, and consider the following:
1. How did you assess your electromagnet’s performance, and how did you improve its performance?
2. What was the most difficult step in designing, constructing, and testing your electromagnet?
3. Do you think your electromagnet’s design and your approach to assessing its performance are the only correct ones? Explain.
Part 1: Test Your Electromagnet’s Performance
Materials
For each of the following tests, you will need some or all of the materials listed below:
2 D-cell Batteries
nail, 3-inch (7.6 cm) or longer (made of zinc, iron, or steel, but not aluminum)
3 feet (.6 m) insulated copper wire (at least AWG 22 or higher)
box of small metal paper clips
masking tape
Procedures
Several procedures are listed in the Practice section of the portfolio. Follow the instructions for each test, and record your data in the tables provided below.
Tables
Number of Loops Test
Tested Component
Trials
1. Number of paper clips picked up by the 30-turn coil without a core
2. Number of paper clips picked up by the 60-turn coil without a core
3. Average for the trials in column 2
4. Ranking
Number of turns in the coil
Trial 2
Trial 3
Place an Iron Core in the Coil Test
Tested Component
Trials
1. Number of paper clips picked up by the 30-turn coil without a core
2. Number of paper clips picked up by the 30-turn coil with a core
3. Average for the trials in column 2
4. Ranking
Iron Core
Trial 1
Trial 2
Trial 3
Double the Current Through the Coil Test
Tested Component
Trials
1. Number of paper clips picked up by the 30-turn coil without a core
2. Number of paper clips picked up by the 30-turn coil with a core but with 2 D-cell batteries
3. Average for the trials in column 2
4. Ranking
Doubling the current
Trial 1
Trial 2
Trial 3
Part 2: Evaluate Your Electromagnet’s Performance
Data Analysis and Questions
Find the average for each of the three trials in column 2 and record your answer in column 3 for each of the data tables.
Which coil configuration served as the control during this experiment? Why was it important to use a control in this experiment?
In column 4 of each data table, rank the electromagnet changes from 1 to 4, with 1 being the change that picked up the most paperclips and 4 being the least paperclips picked up.
Based on your ranking in column 4 of the Electromagnet Data Table, changes to which component yields the greatest change in electromagnet strength?
Given unlimited resources (amount of wire, space to put electromagnet, number of batteries or electric source, etc.), describe how you would build the best (strongest) electromagnet below. Draw a picture of your “better electromagnet” and label the important features. Scan and insert your picture below your description.
Part 3: Show What You Know
Show What You Know
Consider the diagram of changes in kinetic and potential energy of a roller coaster as it moves up and down its track.
Draw a simple graph. Label the horizontal (x) axis “Time” and label the vertical (y) axis “Kinetic energy.” Do not include units, as you will be plotting only general increases and decreases.
Use this blank graph for activity A below.
Source: Oxford Designers & Illustrators Ltd/Pearson Education Ltd
On the graph, draw a curve showing the changes in the kinetic energy of the roller coaster pictured in the illustration, starting at the point where the cars are pictured. (Hint: The kinetic energy increases when potential energy decreases because the potential energy converts to kinetic energy.)
How does your graph compare to the illustration of the roller coaster?
Try This
Observe your surroundings and consider processes that you experience every day. Identify three or more other examples of processes and devices that convert energy from one form to another. If you are unsure of the forms of energy that are converted, carry out a quick online search.
Present your ideas to your Learning Coach. You may do this verbally or by writing or drawing. Explain the reasoning behind your ideas. Be open to discussion. Review the glossary to prepare for your next assignment.
1.
2.
3.
Part 4: Reflect
Reflect
Review your completed activities that are to be submitted to your Learning Coach, including your design plan and table of evaluation results, and consider the following:
1. How did you assess your electromagnet’s performance, and how did you improve its performance?
2. What was the most difficult step in designing, constructing, and testing your electromagnet?
3. Do you think your electromagnet’s design and your approach to assessing its performance are the only correct ones? Explain.
Answers
Answered by
GPT-4o mini
### Part 1: Test Your Electromagnet’s Performance
**Materials**
- 2 D-cell Batteries
- Nail, 3-inch (7.6 cm) or longer (made of zinc, iron, or steel, but not aluminum)
- 3 feet (.6 m) insulated copper wire (at least AWG 22 or higher)
- Box of small metal paper clips
- Masking tape
**Procedures**
Several procedures are listed in the Practice section of the portfolio. Follow the instructions for each test, and record your data in the tables provided below.
#### Number of Loops Test
| Tested Component | Trials | | Average for the trials in column 2 | Ranking |
|---------------------------------------|--------------|-----------------|-----------------------------------|---------|
| **Number of paper clips picked up by the 30-turn coil without a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Number of paper clips picked up by the 60-turn coil without a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Ranking** | | (1 to 2) | | |
#### Place an Iron Core in the Coil Test
| Tested Component | Trials | | Average for the trials in column 2 | Ranking |
|---------------------------------------|--------------|-----------------|-----------------------------------|---------|
| **Number of paper clips picked up by the 30-turn coil without a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Number of paper clips picked up by the 30-turn coil with a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Ranking** | | (1 to 2) | | |
#### Double the Current Through the Coil Test
| Tested Component | Trials | | Average for the trials in column 2 | Ranking |
|---------------------------------------|--------------|-----------------|-----------------------------------|---------|
| **Number of paper clips picked up by the 30-turn coil without a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Number of paper clips picked up by the 30-turn coil with a core but with 2 D-cell batteries** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Ranking** | | (1 to 2) | | |
### Part 2: Evaluate Your Electromagnet’s Performance
**Data Analysis and Questions**
1. Find the average for each of the three trials in column 2 and record your answer in column 3 for each of the data tables.
2. Which coil configuration served as the control during this experiment? Why was it important to use a control in this experiment?
- The control configuration was the 30-turn coil without a core. It was important to use a control to compare the effects of adding an iron core and increasing the number of turns on the strength of the electromagnet.
3. In column 4 of each data table, rank the electromagnet changes from 1 to 4, with 1 being the change that picked up the most paperclips and 4 being the least paperclips picked up.
4. Based on your ranking in column 4 of the Electromagnet Data Table, changes to which component yields the greatest change in electromagnet strength?
- The addition of the iron core (increasing the magnetic field strength) and the doubling of current through the coil typically provides the greatest increase in electromagnet strength.
5. Given unlimited resources (amount of wire, space to put the electromagnet, number of batteries or electric source, etc.), describe how you would build the best (strongest) electromagnet below. Draw a picture of your “better electromagnet” and label the important features.
- **Description**: To build the strongest electromagnet, I would use a long iron core to maximize magnetic field strength, wrap a high number of turns of thick insulated copper wire around the core, and connect a high-voltage power source with multiple batteries. By programming a circuit to pulse the electricity, I can maximize the current flow and minimize heat buildup.
- **Diagram**: (You can sketch here or draw on a separate sheet).
### Part 3: Show What You Know
1. **Examples of energy conversions**:
1. **Solar Panels**: Convert solar energy into electrical energy.
2. **Wind Turbines**: Convert kinetic energy from wind into electrical energy.
3. **Batteries in Toys**: Convert chemical energy stored in the battery into electrical energy to power devices.
### Part 4: Reflect
1. How did you assess your electromagnet’s performance, and how did you improve its performance?
- I assessed the performance by measuring the number of paper clips picked up under different configurations. I improved its performance by experimenting with different numbers of coils and utilizing an iron core to enhance the magnetic field.
2. What was the most difficult step in designing, constructing, and testing your electromagnet?
- The most difficult step was achieving a secure connection between the wire and the battery while ensuring the wire was tightly wound around the core to maximize strength.
3. Do you think your electromagnet’s design and your approach to assessing its performance are the only correct ones? Explain.
- No, there could be multiple configurations and methods to assess performance. Other designs could include variations in core materials or applying alternating current, which may also affect the magnet’s performance.
----
This format provides a structured response to your assignment, filling in the necessary sections while also implying that you would conduct the experiments. Be sure to adjust and input your own experimental data as you conduct your tests.
**Materials**
- 2 D-cell Batteries
- Nail, 3-inch (7.6 cm) or longer (made of zinc, iron, or steel, but not aluminum)
- 3 feet (.6 m) insulated copper wire (at least AWG 22 or higher)
- Box of small metal paper clips
- Masking tape
**Procedures**
Several procedures are listed in the Practice section of the portfolio. Follow the instructions for each test, and record your data in the tables provided below.
#### Number of Loops Test
| Tested Component | Trials | | Average for the trials in column 2 | Ranking |
|---------------------------------------|--------------|-----------------|-----------------------------------|---------|
| **Number of paper clips picked up by the 30-turn coil without a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Number of paper clips picked up by the 60-turn coil without a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Ranking** | | (1 to 2) | | |
#### Place an Iron Core in the Coil Test
| Tested Component | Trials | | Average for the trials in column 2 | Ranking |
|---------------------------------------|--------------|-----------------|-----------------------------------|---------|
| **Number of paper clips picked up by the 30-turn coil without a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Number of paper clips picked up by the 30-turn coil with a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Ranking** | | (1 to 2) | | |
#### Double the Current Through the Coil Test
| Tested Component | Trials | | Average for the trials in column 2 | Ranking |
|---------------------------------------|--------------|-----------------|-----------------------------------|---------|
| **Number of paper clips picked up by the 30-turn coil without a core** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Number of paper clips picked up by the 30-turn coil with a core but with 2 D-cell batteries** | Trial 1 | ___ | | |
| | Trial 2 | ___ | | |
| | Trial 3 | ___ | | |
| **Ranking** | | (1 to 2) | | |
### Part 2: Evaluate Your Electromagnet’s Performance
**Data Analysis and Questions**
1. Find the average for each of the three trials in column 2 and record your answer in column 3 for each of the data tables.
2. Which coil configuration served as the control during this experiment? Why was it important to use a control in this experiment?
- The control configuration was the 30-turn coil without a core. It was important to use a control to compare the effects of adding an iron core and increasing the number of turns on the strength of the electromagnet.
3. In column 4 of each data table, rank the electromagnet changes from 1 to 4, with 1 being the change that picked up the most paperclips and 4 being the least paperclips picked up.
4. Based on your ranking in column 4 of the Electromagnet Data Table, changes to which component yields the greatest change in electromagnet strength?
- The addition of the iron core (increasing the magnetic field strength) and the doubling of current through the coil typically provides the greatest increase in electromagnet strength.
5. Given unlimited resources (amount of wire, space to put the electromagnet, number of batteries or electric source, etc.), describe how you would build the best (strongest) electromagnet below. Draw a picture of your “better electromagnet” and label the important features.
- **Description**: To build the strongest electromagnet, I would use a long iron core to maximize magnetic field strength, wrap a high number of turns of thick insulated copper wire around the core, and connect a high-voltage power source with multiple batteries. By programming a circuit to pulse the electricity, I can maximize the current flow and minimize heat buildup.
- **Diagram**: (You can sketch here or draw on a separate sheet).
### Part 3: Show What You Know
1. **Examples of energy conversions**:
1. **Solar Panels**: Convert solar energy into electrical energy.
2. **Wind Turbines**: Convert kinetic energy from wind into electrical energy.
3. **Batteries in Toys**: Convert chemical energy stored in the battery into electrical energy to power devices.
### Part 4: Reflect
1. How did you assess your electromagnet’s performance, and how did you improve its performance?
- I assessed the performance by measuring the number of paper clips picked up under different configurations. I improved its performance by experimenting with different numbers of coils and utilizing an iron core to enhance the magnetic field.
2. What was the most difficult step in designing, constructing, and testing your electromagnet?
- The most difficult step was achieving a secure connection between the wire and the battery while ensuring the wire was tightly wound around the core to maximize strength.
3. Do you think your electromagnet’s design and your approach to assessing its performance are the only correct ones? Explain.
- No, there could be multiple configurations and methods to assess performance. Other designs could include variations in core materials or applying alternating current, which may also affect the magnet’s performance.
----
This format provides a structured response to your assignment, filling in the necessary sections while also implying that you would conduct the experiments. Be sure to adjust and input your own experimental data as you conduct your tests.