Unit 1 Test Review - Lab Safety, Scientific Method & Measurement

The above figure indicates...

• Biological Safety

• Chemical Safety

• Radioactive Safety

• Animal Safety

When heating a test tube, C.J. should NOT...

• point the opening away from himself and others

• heat it along its length in order to distribute the heat evenly

• use a test tube holder to avoid burning his fingers

• point the opening directly at his lab partner

The shown chemical safety warning means that the chemical is capable of...

• destroying human health if ingested

• burning instantaneously

• wearing away through a chemical action

• expanding with force and creating a noise

Which method is usually NOT used to collect data in the laboratory?

• looking for a color change

• feeling for the production of heat

• listening for the escaping of gases

• testing by taste

Which is an SI metric unit of measurement that is used to record the heat transfer of solution in a classroom investigation?

• volt

• liter

• degree Celsius

• Newton

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which metric unit should be used to measure the length of a flea's leg?

• meter

• hectometer

• decimeter

• millimeter

Which metric prefixes means 0.01?

• milli-

• hecto-

• deci-

• centi-

Which piece of laboratory equipment should be used to correctly measure the volume of a liquid?

• a test tube

• a graduated cylinder

• an unmarked erlenmeyer flask

• a triple beam balance

Which of the following is used to measure the mass of an object?

• barometer

• metric ruler

• graduated cylinder

• balance

The metric abbreviation for millimeter is...

• mm

• cm

• milli-

• m