Unit 1 Lesson 1-3 Review

A __ property of ammonia (window cleaner) is that is has a pungent odor.

• physical

• chemical

• unique

• reactive

__ is an example of a chemical change.

• Melting

• Boiling

• Freezing

• Burning

In the __ state, substances have a definite shape and volume.

• gas

• liquid

• solid

• vapor

Which of the following does not have mass and volume?

• oxygen gas

• Aluminum metal

• liquid nitrogen

• light

All of the following are physical changes except __.

• water changes from a liquid to gas.

• aluminum melts.

• sugar turns black.

• iodine changes from a solid to gas.

In the scientific method, __ is the step where observations are used to formulate an educated guess.

• Observation

• Hypothesis

• Experiment

• Analysis

In the liquid state, a substance will have a(n) __ shape.

• Definite

• Indefinite

In a mixture, the substances are __ together.

• Blended

• Bonded

Lucky Charms Cereal

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

Table Sugar

• Element

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture