Quiz Lab safety, date, accuracy

After completing an experiment, all chemical wastes should be

• dumped down sink
• taken home
• thrown in trash
• disposed of according to teacher's directions

Approved eye protection devices (such as goggles) are worn in the laboratory

• to avoid eye strain

• to improve your vision

• so that you look super cool

• any time chemicals, heat or glassware are used

Used to transfer small amount of liquid

• graduated cylinder

• test tube

• scoopula

• pipette

Used to find the mass of an object

• meter stick

• digital scale

• petri dish

• triple beam balance

( Fill in the blank) Long hair should be ____________ in the laboratory.

• tied back

• cut

• down

• curled

What type of graph is shown?

• line

• bar

• circle

The plant has grown 4 cm since yesterday is what type of data?

• Qualitative
• Quantitative
• Both
• Neither

What is this measurement?

• 9.0 mL

• 8.0 mL

• 8.5 mL

• 80 mL

In a scientific experiment, the variable that represents the results is the ____ variable

• Independent

• Dependent

• Constant

• Control

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No correlation