Science Unit Test Review Part 2

Which of the following is an example of a plasma?

• Neon sign

• Ice cube

• Wood

• Water

Tags

NGSS.MS-PS1-4

What is the formula for Density?

• D= M - V

• D= M/V

• D= M x V

• D= M + V

In a density column, where are the most dense liquids located?

• At the bottom

• At the top

In a density column, where are the least dense liquids located?

• At the bottom

• At the top

When an object is split into two parts, what will happen to its density?

• The density will increase

• The density will decrease

• The density will remain unchanged

• The density will become zero

In a mixture, the components can be separated by ____.

• chemical reactions

• physical means

• nuclear reactions

• none of the above

What state of matter is involved in the operation of a fluorescent lamp?

• solid

• liquid

• gas

• plasma

Classify the following substance: Gold (Au).

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

• Element

Classify the following substance: Table Salt (NaCl).

• A) Compound

• B) Homogeneous Mixture

• C) Heterogeneous Mixture

• D) Element

Determine the classification of the following substance: Lemonade.

• Compound

• Homogeneous Mixture

• Heterogeneous Mixture

• Element