1st 9 Weeks Review

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

• hypothesis

• inference

• observation

• 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

When designing an experiment, scientists will test a relationship between a “cause” and an “effect.” The “effect,” also represented by what the scientist measures and records, is known as the

• dependent variable

• constant

• independent variable

• control group

In a hypothesis the __________________ variable is what is being tested, while the _________________ variable is

the one being measured in response.

• control, dependent

• independent, control

• dependent, independent

• independent, dependent

Tags

NGSS.MS-LS1-5

The four main types of macromolecules found in organisms are carbohydrates, lipids, nucleic acids, and

• starches

• fatty acids

• monosaccarides

• proteins

Which category of carbon-based molecules includes sugars and starches?

• unsaturated fatty acids

• proteins

• phospholipids

• carbohydrates

Tags

NGSS.HS-LS1-6

The class of macromolecule that would most likely be involved in contracting muscles would be

• lipids

• proteins

• enzymes

• carbohydrates

Which of the following is found in a eukaryotic cell, but is not found in a prokaryotic cell?

• cytoplasm

• cell membrane

• nucleus

• flagella

Which plant cell organelle uses light energy to produce sugar?

• chloroplast

• mitochondria

• nucleus

• ribosome

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

Which of the following organelles would you not find in a plant cell?

• chloroplast

• centrioles

• central vacuole

• cell wall