Which Is a Scientific Observation

question 52

Multiple Choice

Which is a scientific observation?

• A)Freezing and boiling are called physical changes
• B)Water freezes at zero degrees C
• C)If a substance has a density of 1.00g/mL it must be water.
• D)When a substance freezes its molecules lose potential energy.

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Definitions:

Incompetent

Lacking the necessary skills, knowledge, or ability to do something successfully or at an expected standard.

Rules

Prescribed guidelines for conduct or action within a particular context or system, often governing behavior and processes.

Attributes

Characteristics or features that help in distinguishing or describing an object, concept, or entity.

Phonemes

The basic units of sound in a language that distinguish one word from another; for example, the sounds that make the difference between "bat" and "pat."