Properties

The properties of two bars of gold would be the same.

• True - gold is always made from only gold atoms so they never change

• False - if they are different shapes and sizes they would not be the same

Which is a property of a pure substance?

• If it dissolves in water

• How much space the substance takes up

• What temperature the substance is

• The mass of the substance

Which is not a property?

• color

• hardness

• solubility

• texture

Properties of a substance can change depending on the size of the sample?

• True

• False

Which is true about solubility?

• It tells how much something weighs

• solubility measure how much of a substance can dissolve in a given amount of liquid

• all substances are soluble in water

What is the difference between qualitative data and quantitative data?

• Qualitative data is descriptions using 5 senses and quantitative uses numbers and measurements

• Qualitative data is only things you see and quantitative data is only things like shape and texture

What property are you testing for if you are dissolving powder in water?

• color

• hardness

• melting point

• solubility

Tags

NGSS.MS-PS1-2

When placing candle wax in a pan and turning on the heat, then recording the temperature you are testing for which property?

• boiling point

• solubility

• melting point

• melting time

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How do you determine the density of a substance?

• Use the mass

• Add the mass and volume

• Divide the mass by the volume

If a scientist was trying to create a new material to resist heat, which property would be most useful to test?

• Hardness

• Solubility

• Melting Point

• Size

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3