The educated guess as to what will happen in the experiment (if ... then)

• hypothesis
• question
• materials
• procedure

When one state of matter is mixed with another state of matter and one disappears.

• dissolve
• sink
• mass
• matter

Any observable characteristic of matter.

• physical property
• matter
• mass
• volume

A way to describe is an object is rough or smooth.

• texture
• flexibility
• luster
• color

A way to describe if an object is shiny or dull.

• luster
• flexibility
• color
• texture

A tool for identifying an object's mass

• balance scale
• volume
• ruler
• graduated cylinder

Everything that takes up space and has mass is called

• volume
• matter
• weight

The three states of matter are 

• solid, liquid, gas
• solid, shape, mass
• gas, liquid, space

Mass can be measured in units called

• centimeters
• grams
• liters
• mililiters

Which has the least mass?

• a piece of paper
• a dog
• a softball
• a candle