Wet Sand
What is a homogeneous mixture?
Wood is chopped up using an axe
Is it a physical change?
Which is more dense? Aluminum or Iron
Is it Iron?
Slope and Intercept are______ and ______
What are m and b
We wear safety glasses to protect _______
what are our eyes?
Air is __________________________
A homogeneous mixture & solution of elements
Wood is burned in a fireplace during winter to heat the home
What is a chemical change?
Using D=m/v, a sample has a mass of 200g and a volume of 100ml.
Is the density 2g/mL?
Decreasing trends are modeled as ___________
Negative slope or -m
Name three pieces of safety equipment
one two three examples
The ocean is a _________
What is a Heterogeneous mixture
Evaporating water from a salt solution leaves pure salt behind
What is a physical change?
Density is an Intrinsic or Extrinsic property
What is Intrinsic?
Y = 27 X + 12.5
X = 8
Does Y = 228.5?
The FUME HOOD protects us from _______
respiratory hazards and toxic gases
The proper method of separating a compound into elements
Do I break the bonds?
A lightbulb is turned on and energy comes out and illuminates the room.
What is a physical change?
Helium balloons float becuase_______________
they have a lower density than air
Y = 27 X + 12.5
X = -8
Is Y = -203.5?
If you get acid on your hand, you should ___ and ___
Do I "Yell for HELP !"
AND wash it off fast!?
the proper separation and recovery technique for a solution of two liquids
What is distillation?
in a chemical change, Breaking bonds changes energy in a particular way.....
What is require energy?
Using D=m/v
A sample of osmium (the densest element known) has a density of 22.59 g/mL and a mass of 1605g. The volume is _______________
Is the volume 71.05mL?
Non-linear data is modeled with ________ functions
What are Power or Exponential or Quadratic or Logarithmic functions
The proper procedure for lighting the bunsen burner
Do I first light the lighter/spark ignition, and second turn on the gas valve?