8th Grade Milestone Review

Iron + oxygen = rust is an example of a ___________.

• physical property/change
• chemical property/change
• mass
• volume

A watermelon has more matter than a grape, so it has more

• mass
• eat
• solid
• greater

You can measure ______ with grams.

• mass
• volume
• conductivity
• melting point

all matter is made of what 

• energy 
• atoms 
• electrons 
• compounds 

If an atom has 3 electrons, how many protons does it have?

• 1
• 2
• 4
• 3

Signs that a chemical change has occurred include

• a change in color
• the release of bubbles
• the production of an odor
• all of the above

Infrared waves are used in__________________.

• Bath tubs
• Microwaves
• Remote Controls
• Tanning

Airport security is an example of _________.

• infrared rays
• radio waves
• x-rays
• gamma rays

Which of the following is a quantity that is described by magnitude and direction?

• velocity
• time
• speed
• distance

Which graph represents an object at rest?

• 1
• 2
• 3
• 4