Scientific Method

Which of the following is NOT a testable question?

• How do rockets work?

• Does fertilizer help plants grow bigger?

• Does heart rate increase with exercise?

• Does the freezing point of water change at different elevations?

Tags

NGSS.MS-LS1-5

What is a hypothesis?

• An educated prediction or answer to a testable question

• A random guess

• An observation based on feelings or emotions

• A hippopotamus

Tags

NGSS.MS-PS1-2

An observation that is measurable and made with tools (such as a ruler or scale) is what type

• quantitative

• qualitative

• koalatative

What is the difference between a question and a hypothesis?

• A question is the summary of data collected and the hypothesis is the interpretation of the data.

• A question is an assumption and the hypothesis is the answer to the assumption.

• c. A question follows from an interesting observation and the hypothesis is an educated guess or answer to that question.

• A question is what you end up with after the test and the hypothesis is a summary of the conclusions.

What is an example of a qualitative observation?

• The Birds are blue

• There are 37 birds

• The bird sounds beautiful

• The bird is 13 cm from beak to tail

A student conducts an experiment in which she drops objects, each with a different mass, all from the same height. She uses a stopwatch and records the time it takes for each object to hit the ground. Which of the following is the independent variable in her experiment?

• time the object travels

• height at which object is dropped

• mass of the object

• stopwatch used

The steps of the Scientific Method ARE in the wrong order.

A. Form hypothesis

B. Analyze data

C. Perform experiment

D. Communicate results

E. Ask question

Which sequence shows the steps of the Scientific Method in the correct order?

• A, C, E, D, B

• E, A, C, B, D

• A, E, D, C, B

• E, C, A, B, D

Using one or more senses to gather information is called _________.

• classifying

• observing

• inquiry

• communicating

The scientific method is ..

• a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.

• a set of similar steps that are used to acquire new knowledge.

• a set of illogical steps used to acquire new knowledge.

Tags

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

NGSS.MS-PS1-2

Which would be the best scientific question?

• Who made the first microscope?

• How many giraffes live in Africa?

• How long ago did dinosaurs live on Earth?

• Does the amount of salt in water affect the temperature it boils at?

Tags

NGSS.MS-PS1-2