1.
Malleability is __________.A) the ability to be drawn out into a wire B) the shininess of an object C) the hardness of an object D) the ability to be hammered, pressed, or rolled into thin sheets 2.
An example of a change of state is __________.A) ice cubes melting B) exposing photographic film C) paper burning D) liquid filling a glass 3.
Which state of matter does not occur at room temperature?A) solid B) liquid C) gas D) plasma 4.
When iron rusts, it is reacting with __________ in the air.A) water B) nitrogen C) oxygen D) carbon dioxide 5.
Which of these can be broken down by electricity?A) vitamins B) sugar C) water D) limestone 6.
What is a physical property of water?A) liquid at room temperature B) not flammable C) pH of 7 D) reacts with sodium 7.
Where does all the mass of wood in a fire go after the fire burns itself out?A) It disappears. B) It changes state. C) It turns into plasma and remains that way. D) It turns into smoke and ash. 8.
What are the two senses you should use to observe materials in a laboratory?A) touching and smelling B) seeing and hearing C) seeing and tasting D) touching and hearing 9.
What substance does not have the property of ductility?A) water B) silver C) copper D) platinum 10.
What are the four states of matter?A) solid, liquid, gas, and plasma B) heat, temperature, length, and mass C) color, shape, size, and density D) solid, liquid, vacuum, and plasma 11.
A change in the chemical properties of a substance results in a __________.A) fire B) a change of state C) the same substance D) new substance 12.
An example of a chemical change is __________.A) boiling B) melting C) burning D) freezing 13.
A substance has gone through a chemical change. Most likely, the resulting substance __________.A) is a gas B) has been created C) has new physical properties D) is the same as the old substance 14.
What is a good sign that a chemical change has occurred?A) the substance seems to have disappeared B) the state of the matter has changed C) the production of heat, light, and smoke D) the physical properties are the same 15.
Examples of chemical properties include __________.A) length and mass B) flammability and reactivity C) color and shape D) melting point and boiling point 16.
Why does a liquid fill the shape of a container?A) because the matter has changed state B) because this is a chemical property C) because the particles of the liquid are constantly moving D) because the particles do not move 17.
Density is defined as __________.A) the length of a certain mass B) the shape of a certain mass C) the amount of mass in a given volume D) the amount of volume to a certain shape 18.
If you have an unknown liquid in a laboratory, how might you identify it?A) taste it B) test its boiling point C) smell it D) touch it 19.
The amount of a substance does not affect its __________.A) volume B) mass C) boiling point D) length 20.
A substance is giving off heat, light, and smoke. Most likely the type of change that is occurring is __________.A) a change of state B) a nuclear change C) a chemical change D) a physical change