1.
Why does a liquid fill the shape of a container?A) because this is a chemical property B) because the matter has changed state C) because the particles of the liquid are constantly moving D) because the particles do not move 2.
An example of a change of state is __________.A) ice cubes melting B) liquid filling a glass C) exposing photographic film D) paper burning 3.
A substance is giving off heat, light, and smoke. Most likely the type of change that is occurring is __________.A) a nuclear change B) a physical change C) a change of state D) a chemical change 4.
Where does all the mass of wood in a fire go after the fire burns itself out?A) It disappears. B) It turns into plasma and remains that way. C) It changes state. D) It turns into smoke and ash. 5.
What is a physical property of water?A) pH of 7 B) not flammable C) reacts with sodium D) liquid at room temperature 6.
Malleability is __________.A) the ability to be hammered, pressed, or rolled into thin sheets B) the ability to be drawn out into a wire C) the shininess of an object D) the hardness of an object 7.
Examples of chemical properties include __________.A) color and shape B) melting point and boiling point C) flammability and reactivity D) length and mass 8.
What is a property of many metals?A) liquid at room temperature B) shiny appearance C) dull appearance D) soft 9.
Can mass be created or lost in a chemical change?A) no B) it has not yet been determined C) yes D) sometimes 10.
Density is defined as __________.A) the shape of a certain mass B) the length of a certain mass C) the amount of mass in a given volume D) the amount of volume to a certain shape 11.
A substance has gone through a chemical change. Most likely, the resulting substance __________.A) has new physical properties B) is the same as the old substance C) is a gas D) has been created 12.
A change in the chemical properties of a substance results in a __________.A) a change of state B) fire C) the same substance D) new substance 13.
What substance does not have the property of ductility?A) silver B) copper C) water D) platinum 14.
What is a good sign that a chemical change has occurred?A) the physical properties are the same B) the production of heat, light, and smoke C) the substance seems to have disappeared D) the state of the matter has changed 15.
If you have an unknown liquid in a laboratory, how might you identify it?A) touch it B) taste it C) smell it D) test its boiling point 16.
Which of these can be broken down by electricity?A) water B) sugar C) limestone D) vitamins 17.
An example of a chemical change is __________.A) burning B) freezing C) boiling D) melting 18.
What are the four states of matter?A) solid, liquid, vacuum, and plasma B) solid, liquid, gas, and plasma C) color, shape, size, and density D) heat, temperature, length, and mass 19.
Which state of matter does not occur at room temperature?A) plasma B) solid C) gas D) liquid 20.
What are the two senses you should use to observe materials in a laboratory?A) touching and smelling B) touching and hearing C) seeing and hearing D) seeing and tasting