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- 1. Multiple Choice
An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured.
Which is the independent variable?
Type of battery, wire or nail
Sizes of nails
Number of paper clips picked up
The hardware store is closed
Quality of the battery, wire or nails
- 2. Multiple Choice
An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured.
Which is the dependent variable?
Type of battery, wire or nail
Sizes of nails
Number of paper clips picked up
The hardware store is closed
Quality of the battery, wire or nails
- 3. Multiple Choice
An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured.
Which is the control variable?
Type of battery, wire or nail
Sizes of nails
Number of paper clips picked up
The hardware store is closed
- 4. Multiple Choice
An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured.
Which is the extraneous variable?
Type of battery, wire or nail
Sizes of nails
Number of paper clips picked up
The hardware store is closed
- 5. Multiple Choice
An investigation was done with an electromagnetic system made from a battery and wire wrapped around a nail. Different sizes of nails were used. The number of paper clips the electromagnet could pick up was measured.
Which is the independent variable?
Quality of the battery, wire or nails
Sizes of nails
Number of paper clips picked up
The hardware store is closed
- 6. Multiple Choice
You want to measure the temperature of water at different depths in a pond near "La Marquesa" EdoMex. Which is the independent variable?
Thermometer
Location of the pond
Temperature
Depth of the water
- 7. Multiple Choice
You want to measure the temperature of water at different depths in a pond near "La Marquesa" EdoMex. Which is the dependent variable?
Thermometer
Location of the pond
Temperature
Depth of the water
- 8. Multiple Choice
You want to measure the temperature of water at different depths in a pond near "La Marquesa" EdoMex. Which is the control variable?
Thermometer
Location of the pond
Temperature
Depth of the water
- 9. Multiple Choice
You want to measure the temperature of water at different depths in a pond near "La Marquesa" EdoMex. Which is the extraneous variable?
Thermometer
Location of the pond
Temperature
Depth of the water
Bad weather
- 10. Multiple Choice
You want to measure the temperature of water at different depths in a pond near "La Marquesa" EdoMex. Which is the moderator variable?
Thermometer
Location of the pond
Temperature
Depth of the water
Bad weather
- 11. Multiple Choice
Luisa wants to collect roses for Valentine's Day so she plants rose bushes on November and she keeps them in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment. Which is the independent variable?
Rose bushes
A period of two months
Number of flowers
Fertilizer used
- 12. Multiple Choice
Luisa wants to collect roses for Valentine's Day so she plants rose bushes on November and she keeps them in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment. Which is the dependent variable?
Rose bushes
A period of two months
Number of flowers
Fertilizer used
- 13. Multiple Choice
Luisa wants to collect roses for Valentine's Day so she plants rose bushes on November and she keeps them in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment. Which is the control variable?
Rose bushes
A period of two months
Number of flowers
Fertilizer used
- 14. Multiple Choice
Luisa wants to collect roses for Valentine's Day so she plants rose bushes on November and she keeps them in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment. Which is the moderator variable?
Rose bushes
A period of two months
Number of flowers
Fertilizer used
- 15. Multiple Choice
Luisa wants to collect roses for Valentine's Day so she plants rose bushes on November and she keeps them in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment. Which is the extraneous variable?
Rose bushes
A plague
Number of flowers
Fertilizer used
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