Question

A science class measured how far snails moved in water of different temperatures. They placed one snail into each petri dish. The petri dishes were identical except that one was filled with cool water, another with room-temperature water, and the last with warm water.

What is the manipulated variable in this experiment?

a
The temperature of the water
b
The distance the snails moved
c
The size of the petri dishes
d
The number of snails observed

Answer 1

Answer:

• water" (and any subsequent words) was ignored because we limit queries to 32 words

• A manipulated variable is the independent variable in an experiment. It's called “manipulated” because it's the one you can change. In other words, you can decide ahead of time to increase it or decrease it. In an experiment you should only have one manipulated variable at a time.
• Water temperature. Water temperature is a measure of the kinetic energy of water and is expressed in degrees Fahrenheit (F) or Celsius (C). Water temperature varies according to season, depth, and, in some cases, time of day.

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Answer 2

Answer: answer is A

Explanation: got it correct