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Questions and Answers
Identify the dependent and independent variables in this research question: 'How does the height a ball is dropped affect the height it bounces to?'
Identify the dependent and independent variables in this research question: 'How does the height a ball is dropped affect the height it bounces to?'
Dependent variable: height the ball bounces to; Independent variable: height the ball is dropped
Suggest three control variables for this experiment.
Suggest three control variables for this experiment.
Possible control variables: surface material, air pressure, temperature
Write a conclusion for the data, linking it to scientific theory.
Write a conclusion for the data, linking it to scientific theory.
The conclusion should explain how the height a ball is dropped affects the height it bounces to, possibly referencing concepts like potential energy and gravity.
List four sources of error for your bouncing ball experiment. Rank them in order of significance. State their effect on the dependent variable. Suggest a detailed improvement and the equipment to use for each.
List four sources of error for your bouncing ball experiment. Rank them in order of significance. State their effect on the dependent variable. Suggest a detailed improvement and the equipment to use for each.
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Identify the dependent and independent variables in this research question: 'How does the length of the wire affect the current passing through it?'
Identify the dependent and independent variables in this research question: 'How does the length of the wire affect the current passing through it?'
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Suggest three control variables for this experiment.
Suggest three control variables for this experiment.
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Explain why the average current should not be to more than 2 decimal places.
Explain why the average current should not be to more than 2 decimal places.
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Recognize the following pieces of equipment: Measuring cylinder, Boiling tube, Conical flask, Beaker, Clamp stand, Bunsen burner, Tripod, Heat Proof Mat.
Recognize the following pieces of equipment: Measuring cylinder, Boiling tube, Conical flask, Beaker, Clamp stand, Bunsen burner, Tripod, Heat Proof Mat.
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Match the hazard symbols with their meanings: Toxic, Corrosive, Flammable, Irritant, Oxidising.
Match the hazard symbols with their meanings: Toxic, Corrosive, Flammable, Irritant, Oxidising.
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Identify the dependent and independent variables in this research question: 'How does the height a ball is dropped affect the height it bounces to?'
Identify the dependent and independent variables in this research question: 'How does the height a ball is dropped affect the height it bounces to?'
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Suggest three control variables for the bouncing ball experiment.
Suggest three control variables for the bouncing ball experiment.
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Write a conclusion for the bouncing ball experiment, linking it to scientific theory.
Write a conclusion for the bouncing ball experiment, linking it to scientific theory.
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List four sources of error for the bouncing ball experiment, rank them in order of significance, and state their effect on the dependent variable.
List four sources of error for the bouncing ball experiment, rank them in order of significance, and state their effect on the dependent variable.
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Identify the dependent and independent variables in this research question: 'How does the length of the wire affect the current passing through it?'
Identify the dependent and independent variables in this research question: 'How does the length of the wire affect the current passing through it?'
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Suggest three control variables for the wire length experiment, and state why and how they should be controlled.
Suggest three control variables for the wire length experiment, and state why and how they should be controlled.
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Explain why the average current in the wire experiment should not be more than 2 decimal places.
Explain why the average current in the wire experiment should not be more than 2 decimal places.
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Explain what features make the table of wire length and current results good.
Explain what features make the table of wire length and current results good.
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Explain how you can tell that the graph from wire length and current results is inversely proportional.
Explain how you can tell that the graph from wire length and current results is inversely proportional.
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Study Notes
Revision Document
- The document is to be used in conjunction with notes from the exercise book and any work on Google Classroom to create personal summary revision notes.
- The revision process involves revisiting, recalling, and applying knowledge and skills to all topics.
Investigation Skills
- Identify dependent and independent variables in a research question, e.g., "How does the height a ball is dropped affect the height it bounces to?"
- Suggest control variables for an experiment, e.g., identifying three control variables for the bouncing ball experiment.
- Draw a line graph of results, including error bars, and write a conclusion linking the data to scientific theory.
- Identify sources of error in an experiment, rank them in order of significance, state their effect on the dependent variable, and suggest improvements with equipment.
Safety In The Lab
- Identify safety hazards in the lab and recognize hazard symbols for: Toxic, Harmful, Irritant, Corrosive, Flammable, Oxidising, and Explosive.
- Work safely in the lab, light a Bunsen burner, and draw conclusions from observations.
- Recognize and name various pieces of lab equipment, including:
- Measuring cylinder
- Boiling tube
- Conical flask
- Beaker
- Clamp stand
- Bunsen burner
- Tripod
- Heat Proof Mat
Revision Document
- The document is to be used in conjunction with notes from the exercise book and any work on Google Classroom to create personal summary revision notes.
- The revision process involves revisiting, recalling, and applying knowledge and skills to all topics.
Investigation Skills
- Identify dependent and independent variables in a research question, e.g., "How does the height a ball is dropped affect the height it bounces to?"
- Suggest control variables for an experiment, e.g., identifying three control variables for the bouncing ball experiment.
- Draw a line graph of results, including error bars, and write a conclusion linking the data to scientific theory.
- Identify sources of error in an experiment, rank them in order of significance, state their effect on the dependent variable, and suggest improvements with equipment.
Safety In The Lab
- Identify safety hazards in the lab and recognize hazard symbols for: Toxic, Harmful, Irritant, Corrosive, Flammable, Oxidising, and Explosive.
- Work safely in the lab, light a Bunsen burner, and draw conclusions from observations.
- Recognize and name various pieces of lab equipment, including:
- Measuring cylinder
- Boiling tube
- Conical flask
- Beaker
- Clamp stand
- Bunsen burner
- Tripod
- Heat Proof Mat
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Description
Review and apply knowledge of scientific investigation skills, including identifying variables and controlling experiments. Create personal summary notes for effective revision.
