Process Skills Review
Warm-Up
• Define function
• Match the following
C.
1. Puts out fire
2. Curved line of liquid in a graduated cylinder
3. Used to observe insects
A.
B.
Which of the following describes the correct
way to handle chemicals in a laboratory?
A. It is safe to combine unknown chemicals as
long as only small amounts are used.
B. Return all chemicals to their original
containers.
C. Always pour extra amounts of the chemicals
called for the experiment.
D. To test for odors, always use a wafting
motion.
Which of the following describes the correct
way to handle chemicals in a laboratory?
A. It is safe to combine unknown chemicals as
long as only small amounts are used.
B. Return all chemicals to their original
containers.
C. Always pour extra amounts of the chemicals
called for the experiment.
D. To test for odors, always use a wafting
motion.
What task is being performed in the picture?
A. measuring mass with a graduated cylinder
B. measuring length with a triple beam balance
C. measuring mass with a triple beam balance
D. measuring length with a metric ruler
What task is being performed in the picture?
A. measuring mass with a graduated cylinder
B. measuring length with a triple beam balance
C. measuring mass with a triple beam balance
D. measuring length with a metric ruler
John and Lisa are conducting an experiment in
their 7th grade science class in which they are
handling potentially dangerous chemicals. As
John is pouring a chemical from a beaker to a
graduated cylinder, he splashes some of the
chemical into his eyes. Determine what John
should do first.
A. Finish the lab
B. Wipe John’s eyes with his lab apron
C. Tell the teacher immediately
D. Call the nurse
John and Lisa are conducting an experiment in
their 7th grade science class in which they are
handling potentially dangerous chemicals. As
John is pouring a chemical from a beaker to a
graduated cylinder, he splashes some of the
chemical into his eyes. Determine what John
should do first.
A. Finish the lab
B. Wipe John’s eyes with his lab apron
C. Tell the teacher immediately
D. Call the nurse
Mrs. Brown was completing an inventory of the
science supplies available to her students.
Which column includes safety equipment?
A
Meter Stick
B
Hand Lens
C
D
Hot Plate
Fire
Blanket
Triple Beam Microscope Gloves Spring
Balance
Scale
Test Tube
Graduated Thermometer Apron
Cylinder
Mrs. Brown was completing an inventory of the
science supplies available to her students.
Which column includes safety equipment?
A
Meter Stick
B
Hand Lens
C
D
Hot Plate
Fire
Blanket
Triple Beam Microscope Gloves Spring
Balance
Scale
Test Tube
Graduated Thermometer Apron
Cylinder
A.
B.
Match picture & function
1. Used to measure
force
2. Used to test the
quality of water
3.Used as an eye wash
station for our class
4.Used to protect your
eyes
C.
D.
Match picture & function
A. 4.Used to protect your
eyes
B.
2. Used to test the
quality of water
1. Used to
measure force
3.Used as an eye wash
station for our class
C.
D.
During Jack’s laboratory investigation, he had to
use a candle and matches. Which lab rule
would be most important during this lab
experiment?
A. Keep chemicals away from the eyes and skin.
B. Move electrical equipment away from the
water.
C. Wash hands thoroughly with soap and water.
D. Tie back any loose hair and oversized
clothing.
During Jack’s laboratory investigation, he had to
use a candle and matches. Which lab rule
would be most important during this lab
experiment?
A. Keep chemicals away from the eyes and skin.
B. Move electrical equipment away from the
water.
C. Wash hands thoroughly with soap and water.
D. Tie back any loose hair and oversized
clothing.
The following piece of equipment is a ______.
A. graduated cylinder
B. beaker
C. forceps
D. test tube
The following piece of equipment is a ______.
A. graduated cylinder
B. beaker
C. forceps
D. test tube
When cleaning up after a lab, if there are
left over chemicals they should be –
A. put in the trash
B. put in the teacher assigned disposal
container
C. put back in the original container
D. washed down the sink with plenty of
water
When cleaning up after a lab, if there are
left over chemicals they should be –
A. put in the trash
B. put in the teacher assigned disposal
container
C. put back in the original container
D. washed down the sink with plenty of
water
What is the temperature of the
solution?
A.
B.
C.
D.
30.15°C
38.5°C
31.5°C
31.0°C
What is the temperature of the
solution?
A.
B.
C.
D.
30.15°C
38.5°C
31.5°C
31.0°C
What is the first thing you should do when you
get a lab assignment?
What is the first thing you should do when you
get a lab assignment?
Read all directions/procedures carefully
What is the most precise at measuring liquids?
A.
B.
What is the most precise at measuring liquids?
A.
B.
A.
B.
C.
Match picture & function
1. Used to measure
length or distance
2. Used to measure time
3.Used to observe cells
4.Used to hold liquids
5. Used to measure
temperature
D.
E.
A.
B.
1. Used to measure
length or distance
2. Used to
measure time
E.
4.Used to
hold liquids
3.Used to
observe cells
C.
D.
5. Used to
measure
temperature
What is the reading on the balance?
A. 47.02g
B. 47.7g
C. 47.52g
D. 47.2g
What is the reading on the balance?
A. 47.02g
B. 47.7g
C. 47.52g
D. 47.2g
What does a balance measure?
What units should you use?
What does a balance measure?
What units should you use?
What does a balance measure? mass
What units should you use? Grams (g)
While working in the lab, Shelia masses 20 g of
sodium hydroxide on the triple beam balance, then
masses 20 g of sodium bicarbonate. Both are white
powders but react to other chemicals in very
different ways. Shelia is not certain which white
powder is the sodium hydroxide. What should she
do?
A. Place both powders in the trash and start over
B. Place a drop of water on a small amount of each
powder and observe
C. Proceed with the experiment
D. Check with her teacher for guidance
While working in the lab, Shelia masses 20 g of
sodium hydroxide on the triple beam balance, then
masses 20 g of sodium bicarbonate. Both are white
powders but react to other chemicals in very
different ways. Shelia is not certain which white
powder is the sodium hydroxide. What should she
do?
A. Place both powders in the trash and start over
B. Place a drop of water on a small amount of each
powder and observe
C. Proceed with the experiment
D. Check with her teacher for guidance
In which of these activities would a graduated
cylinder be MOST useful?
A. Determining the nesting areas of bird species
living near the school
B. Measuring the volume of an unknown rock
sample
C. Observing the heat flow that occurs when too
liquids are mixed
D. Comparing the different wing shapes of
several flying insects
In which of these activities would a graduated
cylinder be MOST useful?
A. Determining the nesting areas of bird species
living near the school
B. Measuring the volume of an unknown rock
sample
C. Observing the heat flow that occurs when too
liquids are mixed
D. Comparing the different wing shapes of
several flying insects
What instrument measures volume?
A. Petri dish
B. Beaker
C. Triple Beam Balance
D. Graduated Cylinder
What instrument measures volume?
A. Petri dish
B. Beaker
C. Triple Beam Balance
D. Graduated Cylinder
Which is the volume of the irregular solid in the
beaker shown above?
A. 125 mL
B. 150 mL
C. 275 mL
D. 425 mL
275
150
Which is the volume of the irregular solid in the
beaker shown above?
A. 125 mL
B. 150 mL
C. 275 mL
D. 425 mL
Material
Air
Water
Pyrex glass
Iron
State
Gas
Liquid
Solid
Solid
Speed (m/sec)
346
1493
5640
5130
A student measured the speed of sound in different
materials at 25 oC. The data is shown in the table.
Which tools were necessary for the students to carry
out this experiment?
A. Petri dishes, meter sticks and thermometers
B. Calculator, petri dish, and timing devices
C. Meter stick, timing devices, and a thermometer
D. Petri dish, calculator and hot plates.
Material
Air
Water
Pyrex glass
Iron
State
Gas
Liquid
Solid
Solid
Speed (m/sec)
346
1493
5640
5130
A student measured the speed of sound in different
materials at 25 oC. The data is shown in the table.
Which tools were necessary for the students to carry
out this experiment?
A. Petri dishes, meter sticks and thermometers
B. Calculator, petri dish, and timing devices
C. Meter stick, timing devices, and a thermometer
D. Petri dish, calculator and hot plates.