Semester Exam 2024

Front

Which instrument measures the length of an object? Options: beaker, graduated cylinder, triple beam balance, meter stick

Back

meter stick

Front

What is the mass that is shown on each of the triple beam balances?

Back

480.5g

Front

Measure the following volumes: 85 ml, 82 ml, 80 ml

Back

80 ml

Front

If you do not understand a direction or part of a laboratory procedure, you should ________.

Back

ask the teacher before proceeding.

Front

After completing an experiment, all chemical wastes should be

Back

disposed of according to your teacher’s directions.

Front

Horseplay, practical jokes, or pranks in the lab are ________________.

Back

always against the rules.

Front

When you work in the lab, long hair must be _______________.

Back

Tied back out of the way

Front

Lisa boiled 5 cups of water in the pot. This is an example of a (n) _______________.

Back

Quantitative observation

Front

The grass turned brown and stiff at the end of July. This is an example of a (n) _______.

Back

Qualitative observation

Front

What was the dependent variable in the experiment where a scientist put lime at the base of tomato plant A and baking soda at the base of tomato plant B, sealing them in plastic bags?

Back

Response of the plants to each substance