Quiz 4.1 Investigating Matter

The bright orange colour of these fireworks is the result of heating a powder that is present in everyday salt.

What element does the powder most likely contain?
1. sodium
2. copper
3. aluminum
4. iron
When two substances are mixed together they may change in various ways. What is one thing that never changes when substances are mixed?
1. Mass
2. Colour
3. Volume
4. State
Which statement about matter is true?
1. All matter has at least some volume and some mass
2. When the volume of an object increases the mass of that object must also increase
3. Matter is anything that has weight and falls toward the Earth
4. When an object changes state, neither its mass nor its volume will change
What process is an example of deposition?
1. Snow forms from the water vapour in clouds
2. Molten gold cools and hardens into an ingot
3. Sugar dissolves into hot tea
4. Dry ice disappears into the air at room temperature
What is another name for boiling?
1. Vaporization
2. Condensation
3. Sublimation
4. Deposition
This piece of ore contains bits of gold, copper and zinc. The penny is used to show how big it is.

The melting point of gold is 1063 °C, the melting point of copper is 1083 °C and the melting point of zinc is 419 °C.

Which, if any, metals will melt if the ore is heated to 800 °C in a furnace?
1. Only zinc will melt
2. Non of the metals will melt
3. All the metals will melt
4. Only copper and gold will melt
This piece of ore contains bits of gold, copper and zinc. The penny is used to show how big it is.

The melting point of gold is 1063 °C, the melting point of copper is 1083 °C and the melting point of zinc is 419 °C.

Which metal's particles are most strongly attracted to each other?
1. Copper
2. Zinc
3. Gold
4. The particles all three metals attract each other with the same force
This is a photograph and diagram of melting ice.

Which statement about this photograph is false?
1. The particles in the ice are not in motion, as shown by illustration (a)
2. Some ice particles may be released directly into the air; this process is called sublimation
3. Liquid water particles are less attracted to each other than solid ice particles, as shown by comparing illustration (b) with illustration (a)
4. Water is a substance whose particles may exist in three different states at room temperature, at least for a brief time
Use this list of different substances to answer this question.

Hydrogen: H
Water: H₂O
Salt water: NaCl + H₂O
Snow globe: H₂0 + bits of CH₂ - CH₂ chain fragments (white polyethylene plastic fragments sink through water to make "snow")

Which one of the substances is the best example of a compound?
1. Water
2. Salt water
3. Hydrogen
4. Snow Globe
Use this list of different substances to answer this question.

Hydrogen: H
Water: H₂O
Salt water: NaCl + H₂O
Snow globe: H₂0 + bits of CH₂ - CH₂ chain fragments (white polyethylene plastic fragments sink through water to make "snow")

Which one of the substances is the best example of a solution?
1. Salt water
2. Water
3. Hydrogen
4. Snow Globe