Question

quiz 1: setting up an experiment - y
ms. maskwe is designing a test to answer the following lab question:
does the type of water bottle affect the temperature of her drink is at the end of the school day?
what are the control variables in her experiment? choose all that apply.

• thermometer used to measure temperature
• amount of time tested
• water bottle type
• starting temperature
• room temperature where the water bottle is located
• type of drink
• temperature of drink at end of day
• color of water bottle
• amount of drink

Explanation:

Control variables are factors kept constant to ensure results depend on the independent variable (water bottle type). They exclude the independent (water bottle type) and dependent (end temperature) variables.

Answer:

Thermometer used to measure temperature, Amount of time tested, Starting temperature, Room temperature where the water bottle is located, Type of drink, Amount of drink