Science Ohio

Interpreting observations based on reasoning from what you already know is called

• classifying.

• predicting

• inferring

• observing.

Being able to identify good sources of scientific information and apply the knowledge to problems in your life is a part of having

• scientific hypotheses.

• scientific inquiry.

• scientific literacy.

• Scientific laws

Tags

NGSS.MS-PS1-3

When scientists create a representation of a complex process, they are

• inferring.

• predicting.

• classifying.

• making models.

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

NGSS.MS-PS1-4

The closeness of a measurement to its true value is its

• significant figures.

• estimate

• accuracy.

• precision

A line graph shows

• changes in the dependent variable only

• changes in the independent variable only.

• how the dependent variable changes in response to the independent variable.

• how the dependent variable changes on its own.

Answer explanation

A line graph shows how the dependent variable (y axis) changes in response to the independent variable (x axis)

In a home central heating system, when the room temperature measured by the thermostat reaches a set value, the thermostat switches off the heater. This action by the thermostat is an example of

• a model.

• feedback

• input.

• a process.

For which of the following would the millimeter be the most appropriate unit of measure?

• the wingspan of a turkey vulture

• the height of a very tall person

• the length of an ant

• the distance between Gary and South Bend

Answer explanation

A millimeter is a very small unit of measurement. It is best to measure very small things in millimeters

Which of the following would be considered a good model of Earth?

• a globe

• a bowl

• a map of your state

• an apple

After you have completed a lab investigation you should do all of the following except

• turn off, unplug, and return any equipment to its proper place

• wash your hands thoroughly

• clean up your work area

• pour all chemical  wastes down the sink drain

Answer explanation

All chemical waste should be disposed of in a waste beaker for the teacher to take care of. NEVER down the sink

The official SI unit for temperature is the ____________________.

• Kelvin

• Gram

• Data

• Classifying

• Opinion