Physical Science Fall 2018 Final Exam 7th

• test tube clamp
• tongs
• ring stand
• buret clamp

• beaker
• graduated cylinder
• erlenmeyer flask
• test tube

• beaker
• erlenmeyer flask
• graduated cylinder
• test tube

Name the tool pictured

• Pipette
• Eye dropper
• Tweezer
• Forceps

If you are not sure what to do during a lab activity:

• guess
• change lab partners
• ask a teacher
• just sit quietly and do nothing

What is the CORRECT procedure for students to follow if a chemical is spilled?

• Stand back and advise the teacher of the spill.
• Run madly out of the room.
• Splash large amounts of water onto the spill.
• Immediately ask to go to the restroom.

Which of the following are examples of dressing appropriately in the lab?

• Pulling long hair back
• Leaving long hair down to get in the chemicals. 
• Wearing sandals

Which scientist discovered the electron, which helped him develop a model of the atom?

• Niels Bohr
• John Dalton
• Ernst Rutherford
• J.J Thompson

The particles of the atom you can find by knowing the atomic number.

• neutrons
• protons and electrons
• protons and neutrons
• atomic mass

Tags

NGSS.MS-PS1-1

An element with a mass number of 11 and an atomic number of 5 has how many neutrons?

• 11
• 5
• 6
• 16

Tags

NGSS.MS-PS1-1