Concept 1 Nature of Science & Scientific Method

All of the following pieces of equipment EXCEPT for _____________ could be useful for transferring a liquid from one container to another.

• beaker

• funnel

• Petri dish

• Graduated cylinder

Joe needs 25mL of motor oil to test his combustion engine. Which tool would give him the most precise measurement?

• beaker

• flask

• test tube

• graduated cylinder

Using the four images of glassware, which of the measurements is the most accurate?

• Graduated cylinder - 80.6 mL

• Erlenmeyer flask – 325 mL

• Beaker - 48 mL

• Beaker - 400 mL

Using the four images of glassware, which of the measurements is the most precise?

• Graduated cylinder - 80.6 mL

• Erlenmeyer flask – 325 mL

• Beaker - 48 mL

• Beaker - 400 mL

Which piece of glassware is never used for making measurements?

• Graduated cylinder

• Beaker

• Test Tube

• Erlenmeyer flask

When leaving a movie theater, a person notices that the sidewalk is now wet. If the person assumes it rained during the movie, the person is making

• a hypothesis

• an inference

• an observation

• a prediction

In performing any laboratory experiment, what is the first step performed out of the following choices?

• collect data from the experiment

• analyze data

• publish results

• form hypothesis

This graph shows the temperatures during the period of a

• Day

• Week

• Month

• Year

The temperatures in the beginning of the week were rising or falling?

• Rising

• Falling

There was the least amount of change between days

• 6 & 7

• 5 & 6

• 2 & 3