Matter and Energy Review

Mrs. Hagins turns on the light when she enters the kitchen to cook breakfast. What form of energy is producing the light energy when she turns on the light switch?

• light

• electrical

• sound

• thermal

In music class, energy is used to play many instruments. Which two forms of energy are being used to play the xylophone?

• mechanical and sound

• sound and light

• mechanical and light

• electrical and thermal

Tags

NGSS.MS-PS4-1

How many protons does Silicon have?

• 28
• 14
• 42
• 13

Which group/family is Oxygen (O) in?

• 17
• 16
• 2
• 3

Does the following characteristics represent a Metal, Nonmetal, or Metalloid?
Dull, Brittle, Poor Conductor

• Metal
• Nonmetal
• Metalloid

How many atoms of Fluorine (F) are in the compound below?
4F₄S₂O₄

• 16
• 8
• 4
• 2

Protons + Neutrons = ______

• Atomic mass
• Atomic number
• Electrons
• Group number

Atomic mass - Atomic number = _____

• Neutrons
• Electrons
• Protons
• Energy Levels

Why does ice float in water?

• It is less dense than liquid water

• It is more dense than liquid water

• It has no density

A combination of two or more substances that can be easily separated.

• dissolve
• mixture
• solution
• physical property