Answering Scientific Questions

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

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

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 because all the

  plants grew.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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.

• It does not change.

_____ is a way to study the world and propose

explanations for observations made.

• Scientific inquiry

• Hypothesis

• Observations

• Experimentation

Tags

NGSS.MS-PS1-2

A(n) _______________________ is a possible answer to a question.

• hypothesis

• observation

• research

• testing

Tags

NGSS.MS-LS1-5

A(n) ______________ variable is purposely changed to test a hypothesis.

• dependent

• independent

• control

• exit ticket

The facts, figures, and other evidence gathered during an experiment are

called ________________________.

• variables

• observations

• data

• hypothesis

Tags

NGSS.MS-LS1-5

NGSS.MS-PS1-2

A scientific _______describes patterns in nature without explaining them.

• variable

• theory

• law

• controlled

  experiment

Only one variable is changed at a time in a(n) ____________________.

• controlled

  experiment

• scientific thinking

• dependent variable

• independent variable