Ohio Science

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.

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

• a globe

• a bowl

• a map of your state

• an apple

Tags

NGSS.5-ESS2-1

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

Facts, figures, and other evidence collected during a scientific investigation are called __________________.

• Data

• Emprical

• Classifying

• Variables

• Opinions

Tags

NGSS.MS-LS2-1

NGSS.MS-PS1-2

NGSS.MS-PS3-4

Because scientific reasoning relies on gathering and evaluating evidence, it is classified as ____________________ reasoning.

• Empirical

• Evidence

• Opinion

• Classifying

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

The factors that can change in an experiment are called ____________________.

• Variables

• Outliers

• Data

• Evidence

Tags

NGSS.MS-PS3-4

Minerals can calcify in your kidneys. What does this mean?

• The minerals turn to stone

• The minerals melt

• The minerals divide in two

• The minerals explode

Someone who travels in an aeronautical machine is traveling in the....

• Water

• Air

• Ground

• Snow

Some people have a Bicuspid Valve in their heart. Based on the name of the valve, how many parts does it have?

• 1

• 4

• 3

• 2