used to find the mass of an object
What is mass balance
Are the moon and sun the same size
no
This should be worn to protect your clothes in the lab
What is lab coat
The graduated cylinder measures volume in this unit
What is milliliters (mL) or centimeters
What is the fastest animal on land
Cheetah
Name the three particles found in an atom and state the charge of each
Nucleus, proton, and electron
This is used to put own a fire in the lab
fire extinguisher or fire blanket
How do you determine the age of a tree
Count its growth rings
A chemical is spilled on your skin. State two things you should do
Any two: stay calm, tell the teacher immediately, wash your hands, follow the emergency procedures
Used to magnify small objects
What is microscope
Who is credited with coming up with the theory of evolution?
Charles Darwin
Name two hazard symbols and state what each one warns about.
Any two: moderate health hazard, serious health hazard, corrosive, explosive, acute toxicity, flammable, harmful to the environment
What is the hottest planet in our solar system?
Venus (even though Mercury is closer to the Sun)
A neutral atom has an atomic number of 8. How many electrons does it have, and how are they arranged in shells?
8 electrons; 2 in the first shell and 6 in the second (2,6)