THE MATTER AND THE UNIVERSEPARTIAL EVALUATION

QUESTION 1 Which one of the following is an

example of a physical change? A. iron rusting B. a steak cooking C. sugar dissolving in water D. a candle burning

QUESTION 2 A physical change means that no new

substance is formed. A. true B. false

QUESTION 3 Breaking water up by separating it into hydrogen

and oxygen is an example of a ... A. physical change. B. chemical change

QUESTION 4 Melting and boiling causes a ...

A. physical change. B. chemical change.

QUESTION 5 A change in size or shape is a ...

A.physical change. B. chemical change.

QUESTION 6 A chemical change means that a new

substance with new properties is formed. A.true B. false

QUESTION 7 The fact that sugar is white is a ...

A.physical property. B. chemical property.

QUESTION 8 Iron rusts when exposed to air. This is

a ... A.physical property. B. chemical property.

QUESTION 9 Which one of the following is NOT a

physical property of hydrogen? A.it is a gas B. it is explosive C.it is colourless D.it has no smell

QUESTION 10 Which one of the following is not a

physical change? A. clothes drying in the dryer B. making a cup of coffee C. chopping wood D. boiling an egg

QUESTION 11 Atoms in a liquid are farther apart than

the atoms in a gas. True False

QUESTION 12 Which has the least energetic molecules

A. Solids B. Liquids C. Gases D. Plasmas

QUESTION 13 What force pulls liquids towards the

ground? A. Pressure B. Temperature C. Gravity D. Centrifugal

QUESTION 14 When a substance goes from being a

solid to a liquid, it is a... A. Chemical Change B. Physical Change

QUESTION 15 Which of these choices will NOT change

the state of matter? A. Temperature B. Crushing a Crystal C. Pressure D. Electricity

QUESTION 16 What is the density of a piece of wood

that has a mass of 25.0 grams and a volume of 29.4 cm3?

QUESTION 17 A cup of gold colored metal beads was

measured to have a mass 425 grams. By water displacement, the volume of the beads was calculated to be 48.0 cm3. Given the following densities, identify the metal.

Gold: 19.3 g/mL Copper: 8.86 g/mL Bronze: 9.87 g/mL

QUESTION 18 An ice cube measuring 5.80 cm by 5.80

cm by 5.80 cm has a density of 0.917 g/mL. What is the mass?

QUESTION 19 A little aluminum boat (mass of 14.50 g)

has a volume of 450.00 cm3. The boat is place in a small pool of water and carefully filled with pennies. If each penny has a mass of 2.50 g, how many pennies can be added to the boat before it sinks?

QUESTION 20 Gasoline is a non-polar liquid that will

float on water. 450 grams of gasoline is spilled into a puddle of water. If the density of gasoline is 0.665 g/mL, what volume of gasoline is spilled?