Scientific Skills and Investigations

If you break glassware in the lab, you should...

• Tell the teacher so it can be cleaned up safely

• Clean it up quickly before the teacher notices

• Hide it somewhere so you don't get in trouble

What is the name of this laboratory equipment?

• Beaker

• Flask

• Graduated Cylinder

• Test Tube

What is the volume of the liquid in this graduated cylinder?

• 8.50 mL 

• 7.50 mL 

• 8 mL 
• .10 mL

What is the name of this laboratory equipment?

• Beaker

• Flask

• Graduated Cylinder

• Test Tube

Which is NOT a step for reading a graduated cylinder properly?

• Make sure the cylinder sits in the stand vertically.
• Be sure to hold it up to eye-level when reading.
• Read the water's volume by the bottom of the meniscus.
• Know the value of the scale for the sub-graduates or "ticks".

When should you tie back long hair or baggy clothing?

• When working with chemicals

• When working with fire

• When doing dissections.

• Any time you are working in the lab.

What is the volume of the liquid in this graduated cylinder?

• 19 mL 

• 35.0 mL 

• 24.00 mL 

• 1.9 mL

Which equipment is used to measure the mass?

• balance in grams

• scale in pounds

• beaker in milliliters

• ruler in millimeters

The current knowledge concerning cells is the result of the investigations and observations of many scientists. The work of these scientists forms a well-accepted body of knowledge about cells. This body of knowledge is an example of a

• hypothesis
• controlled experiment 
• theory
• research plan

At which position (letter) do you read the volume present in the measuring cylinder?

• A

• B

• C