Biology test Unit 1

What is the BEST glassware for performing small chemical reactions?

• Test tube

• Graduated cylinder

• Meniscus

• Petri dish

What is the BEST glassware for measuring?

• Test tube

• Graduated cylinder

• Petri dish

• Beaker

In a graduated cylinder, what is the bottom of the curve in the liquid called that you are supposed to measure to?

• Lecithen

• Curvy

• Polymer

• Meniscus

When writing a conclusion, what should you always refer back to?

• Procedure

• Hypothesis

• Your textbook

• the materials list

When designing an experiment, scientists will test a relationship between a "cause" and "effect". The "effect" is known:

• Dependent variable

• Constant

• Independent variable

• Control group

Tags

NGSS.MS-PS2-2

Which is a qualitative observation about this picture?

• All the people are wearing blue

• There are three people in this picture

• This is a family photo

• They are going on vacation

Which is a quantitative observation about this picture?

• All the people are wearing blue shirts

• There are three people in this photo

• This is a family photo

• They are going on vacation

Which is an inference about this picture?

• All the people are wearing blue shirts

• There are three people in this picture

• They are going on a road trip

• They have brown hair

5 students measure a pencil. Their measurements: 15.33 cm, 15.34 cm, 15.32 cm. The actual length is 15.85 cm. What are they?

• Accurate but not precise

• Precise but not accurate

• Both accurate and precise

• Neither accurate nor precise

Joe needs 25 mL of motor oil. Which tool would give him the most precise measurement?

• Flask

• Test tube

• Beaker

• Graduated cylinder