______________ is a way to study the world and propose explanations for observations made.
Question 6
6.
A(n)_______ is a possible answer to a question.
Question 7
7.
A(n) _______ variable is purposely changed to test a hypothesis.
Question 8
8.
The facts, figures, and other evidence gathered during an experiment are called _______.
Question 9
9.
Only one variable is changed at a time in a(n) _______.
Question 10
10.
A scientific _______ describes patterns in nature without explaining them.
You notice that your dog is shedding. Which of the following represents a hypothesis about your observation?
My dog is shedding.
I wonder why my dog is shedding.
The weather must be getting warmer.
My dog pants when she is warm.
You do an experiment to see if fertilizer makes plants grow. Which of the following is the dependent variable?
plant growth
fertilizer
sunlight
soil
Your data for the plant experiment in question 2 show that the plants that were fertilized grew more than plants that were not fertilized. Which of the following statements best represents your conclusion?
the plants that received fertilizer are better plants.
fertilizer helps plants grow.
plants must have soil in order to grow.
I can't draw a conclusion becausee all the plants grew.
Which of the following statements is true about a scientific theory?
It is well-tested and widely accepted.
It is based on observed patterns in nature.
It does not offer an explanation for observations.