Laboratory Safety and Measurement Quiz

All of the following students are performing laboratory experiments. Which student has the safest laboratory behavior? - Simon is at a lab table wearing safety goggles and an apron. A beaker and his lunch are on the table. - Susan is at a lab table wearing safety goggles and an apron. She is pouring something into a beaker. Her sleeves are long and hanging into the beaker and she is wearing bracelets. - Jose is at a lab table wearing safety goggles. A beaker is on his table. He is wearing a tie. - Lucy is at a lab table wearing safety goggles and an apron. Her hair is pulled back. A beaker is sitting on the table.

• Susan

• Jose

• Lucy

• Simon

What would be the best tool to use to find the length of a room?

• stopwatch

• ruler

• tape measure

• thermometer

Natasha wants to know how long it will take for a cup of water to freeze completely. Which of the following tools can she use to keep track of time?

• balance

• compass

• clock

Frank wants to measure his height. He decides to use a tape measure. Is a tape measure a good tool for measuring Frank's height, and why or why not?

• It is not a good tool because it measures in inches.

• It is a good tool because it can reach all the way from his feet to his head.

• It is not a good tool because it measures in centimeters.

• It is a good tool because it can bend, so it can measure things that curve.

Heather is using a lamp during her lab. She notices that the lamp’s cord is damaged. What should Heather do?

• Turn the lamp on to test it.

• Take the damaged lamp to her teacher.

• Use the lamp. It is still safe.

• Wrap a piece of tape around the cord.

What would be the best tool to use to find the length of a room?

(a)  

What type of information does a thermometer show?

• volume

• mass

• distance

• temperature

Tags

NGSS.MS-PS1-4

Randy is using a ruler to measure the length of a daisy stem in centimeters. To measure the stem most accurately, at which position should he place the end of the stem?

• position Z

• position Y

• position W

• position X

Harry is heating a chemical in a test tube. What safety precaution should Harry take?

• Put a tight lid on the test tube.

• Wear plastic gloves.

• Heat the test tube on an open flame if possible.

Tags

NGSS.MS-ETS1-1

Janie is doing a laboratory experiment. She accidentally spills a chemical in the lab area. What should Janie do after she spills the chemical?

• clean up the spill herself

• put a paper towel over the spill

• tell the teacher about the spill

• leave the spill and do not tell anyone