Unit 1 Test Review

A possible explanation for an observation that can be tested by scientific investigations.

• prediction

• hypothesis

• inference

• claim

a statement about what will happen next in a sequence of events

• scientific theory

• observation

• inference

• prediction

• hypothesis

using one or more of your senses to gather information and take note of what occurs

• scientific theory

• observation

• inference

• critical thinking

• hypothesis

an explanation of observations or events based on knowledge gained from many observations and investigations

• scientific theory

• observation

• inference

• critical thinking

• hypothesis

a description of a pattern or an even in nature that is always true

• scientific law

• scientific theory

• observation

• inference

• critical thinking

the investigation and exploration of natural events and of the new information that results from those investigations

• observation

• inference

• science

• hypothesis

• prediction

a logical explanation of an observation that is drawn from prior knowledge or experience

• scientific theory

• observation

• inference

• critical thinking

• hypothesis

Which biomolecules are significant features of the cell membrane?

• a. carbohydrate and nucleic acid

• b. lipid and nucleic acid

• c. nucleic acid and protein

• d. protein and lipid

Atom is the basic unit of a chemical element. What are the atoms that make up carbohydrates?

• a. C and H

• b. C, H and N

• c. C, H and O

• d. C, H, O and N

Which organic molecule gives fast source of energy?

• a. carbohydrates

• b. lipids

• c. nucleic acids

• d. proteins