Lab Safety
Measurement
Measurement & Dimensional Analysis
Dimensional Analysis
Graphing
Variables
Density
100
Sally was using a glass beaker to get water from the lab sink. Why is it important for Sally to hold the beaker with both hands and walk carefully back to her lab station?
What is the beaker could get broken and is expensive to replace? OR The water could spill causing an accident
100
Convert 50 km = ____ m.
50,000m
100
Convert 120cm to m.
1,200 m
100
Convert 10 inches into centimeters
1 inch = 2.54 centimeters
25.4 cm
100
This belongs on the top of every graph you make.
Title
100
Which variable is measured in the experiment? Independent or Dependent?
Dependent
100
Brick has a mass of 6,000g and a volume of 2,000cm3. Calculate the density.
3.00g/cm3
200
As Terry was finishing her lab her loose hair got caught in a beaker leaving her with wet, sticky hair. What lab safety rule was Terry not following?
Keep your hair and other loose clothing tied back.
200
1600 cm = ___m
16m
200
Convert 50kg to g.
50,000g
200
Convert 45 inches to feet.
3 feet = 36 inches
3.75 feet
200
The name of the horizontal (side to side) axis
X-axis
200
Joe wants to find out how much fertilizer he needs to make his plants grow taller. What is the Dependent variable?
Height of plants
200
A liquid has a mass of 24g and density of 2.0g/mL. It's volume is this....
12 mL
300
Tom saw a clear substance in one of the beakers and thought he would take a sip from it to find out what it was; he became very ill and was sent to the hospital to be treated. What lab safety rule did Tom not follow?
You should never taste or eat in the lab.
300
Assuming that the pointers have reached the "zero mark,"" what would be the mass of the objects according to the movable masses below?
160.6 g
300
Convert 26kg to cg.
260,000 cg
300
Convert 320 ounces into pounds
16 ounces = 1 pound
20 lb
300
The two types of graphs mostly used in science.
Line Graphs and Bar Graphs
300
Jane wants to know which type of tire causes her bike to go faster. What is the independent variable?
Type of Tires
300
A metal has a volume of 15cm3 and density of 3.0g/cm3. It's mass would be....
45 g
400
Cory and JD are conducting an experiment involving heating a liquid substance. They were instructed to observe the smell. What is the best way for them to do this?
Waft the fumes towards their nose?
400
What is the Basic Unit for Volume?
Liters
400
your go cart moves at a speed of 4.5 mi/hr. how many kilometers per minute is that?
435.5 km/min
400
Convert 12 L into gallons
1 gallon = 3.78 L
3.2 gal
400
A type of graph in which a circle is divided into sectors that each represent a proportion of the whole.
Pie Chart/Circle Graph
400
Which group in the experiment is not receiving the factor being tested?
Control Group
400
A liquid has a mass of 60g and volume of 30mL, its density is....
2.0 g/mL
500
This piece of safety equipment is used to cover someone if their clothing would catch on fire during a lab.
Fire Blanket
500
Determine the volume of liquid in the cylinder.
2.7 mL
500
A student goes through seven class periods in school. Each period lasts 55 minutes. How many hours does he spend in class per day?
6.4 hours
500
A rattlesnake is 2.44 m long. How many centimeters long is the snake?
1 meter = 39.37 inches
1 inch = 2.54 centimeters
243.9 cm
500
Refer the graph below.
The place with the largest bird species is______ and the smallest is_________.
Cape Henlopen and Seaford Nanticoke
500
The variable that is manipulated (or changed on purpose) by the experimenter is called the:
Independent
500
Calculate the density of a rectangular block that has a mass of 1350 g. The block measures 10.0 cm long, 5.0 cm wide, and 3.0 cm high.
9 cm3