Fatima is watching her pet cat, Winter, napping in the sun. Fatima is curious about the heart rate of Winter when she is napping, so she develops this scientific question: Does a cat's heart rate change while it is napping?

She decides to develop a hypothesis to test this scientific question. What could Fatima's hypothesis be?

The correct answer will be-when a cat naps in the sun, heart rate changes.

Explanation:

A scientific hypothesis is a proposed statement which explains the natural phenomenon to a limited extent. A hypothesis is formed on the basis of previous research work, therefore, a hypothesis is considered educated guess.

A hypothesis must be constructed in a way that it could be testable therefore includes the variables.

In the given question, Fatima wants to develop a hypothesis related to the heart rate of the cap which could be " when cat naps in the sun, heart rate of cat changes.