Lab Safety Test

Match the following Nature of Science words/phrases.

• 400X

• Instrument used to measure mass...

• constant/ controlled variable

• Factor that is kept the same for all groups in an experiment...

• fire/ flames

• Type of graph that shoes percentages...

• balance

• The total magnification for a 10X ocular and 40X objective...

• pie graph

• Chemicals that are flammable should not be around...

Match the following Nature of Science words/phrases.

• dependent / responding variable

• The first thing to do if something goes wrong in the lab...

• volume

• Beakers, pipettes, and graduated cylinders all measure...

• placebo

• A testable, possible explanation for a set of observations...

• hypothesis

• An inactive substance used as a control...

• tell the teacher

• The variable that is plotted on the Y-axis (vertical axis) is the...

Tags

NGSS.MS-PS1-2

Match the following Lab Safety symbols with their titles.

• Explosion safety

• 
• Electrical Safety

• 
• Fire Safety

• 
• Biological Safety

• 
• Sharp Object Safety

• 

The ​ ​ (a)   appears when a danger to the eyes exists. Safety goggles should be worn when this symbol appears.

• Eye Safety Symbol
• Disposal Alert Symbol
• Open Flame Alert
• Thermal Safety
• Fume Safety

The ​ (a)   appears when poisonous plants or plants with thorns are handled.

• Plant Safety Symbol
• Electrical Safety
• Chemical Safety
• Animal Safety
• Poison Safety

The ​ (a)   appears when substances used could stain or burn clothing. A laboratory apron should be worn when this symbol appears.

• Clothing Protection Symbol
• Disposal Alert Symbol
• Thermal Safety Symbol
• Chemical Safety Symbol
• Animal Safety Symbol

The ​ (a)   appears when radioactive materials are used.

• Radioactive Safety Symbol
• Chemical Safety Symbol
• Disposal Alert Symbol
• Open Flame Symbol
• Electrical Safety Symbol

The ​ (a)   appears as a reminder to use caution when handling hot objects.

• Thermal Safety Symbol
• Fire Safety Symbol
• Fume Safety Symbol
• Poison Safety Symbol
• Eye Safety Symbol

Lab Safety: Before starting a lab, always ___.

• start immediately without reading the instructions.

• eat and drink in the lab.

• read and understand the lab instructions.

• ignore safety equipment.

Lab Safety: Be sure to know _____ of all safety equipment.

• the location and use

• the color
• the price
• the brand