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Let's identify the variables in our experiment.

Remember...

Independent variable is the cause or the factor that the scientist changes

Dependent variable is the effect or the factor that the scientist is measuring.

Controlled variables are all the factors that are held constant (the same).

independent variable -
dependent variable -
constants -
for all the questions here's 3 answers, match each one to the equivalent.
a. temperature of water (hot and cold) in the beginning
b. the type of liquid, the volume and mass of the water
c. temperature of the water after it Is mixed

1 answer

Based on the definitions you provided for independent, dependent, and controlled variables, here's how you can match the answers:

  • Independent variable - a. temperature of water (hot and cold) in the beginning (This is the factor you are changing in the experiment.)

  • Dependent variable - c. temperature of the water after it is mixed (This is what you are measuring as a result of the changes made.)

  • Constants - b. the type of liquid, the volume and mass of the water (These are the factors that are kept constant throughout the experiment.)