The study of matter and the changes it undergoes is a field of study known as: A. geology B. chemistry C. physics D. biology
Anything and everything that has mass and occupies space is known as: A. volume B. a solid C. matter D. a mineral
Which one of the following substances is an element? A. piece of paper B. the ink on this page C. oxygen D. sand
Which one of the following substances is a pure substance? A. ranch dressing B. table salt C. soda pop D. tap water
A sample of matter that has a definite shape and definite volume is: A. a solid B. a liquid C. a gas D. plasma
A sample of matter that has an indefinite shape and a definite volume is: A. a solid B. a liquid C. a gas D. plasma
A sample of matter that has an indefinite shape and an indefinite volume is: A. a solid B. a liquid C. a gas D. plasma
When a gas sample is converted into a liquid, the process is known as: A. freezing B. boiling C. melting D. condensing E. evaporation
A. freezing B. boiling C. melting D. condensing E. evaporation When a solid sample is converted into a liquid, the process is known as:
When a solid sample is converted into a gas, the process is known as: A. sublimation B. boiling C. melting D. condensing E. deposition
The temperature at which a solid is converted into a liquid is called the: A. boiling point B. dew point C. freezing point D. melting point E. condensation point
The temperature at which a gas is converted into a liquid is called the: A. boiling point B. dew point C. freezing point D. melting point E. condensation point
Which one of the following is a physical property of a liquid? A. indefinite shape B. particles are independent of each other C. highly dense D. indefinite volume
Of the three primary states of matter, which one normally has the highest density? A. solid B. liquid C. gas D. not enough information to answer
When white, crystalline sugar is heated, it decomposes into a colorless liquid and a black solid. This suggests that sugar is: A. an element B. a mixture C. a compound D. not very dense
Which of the following is an example of a chemical change? A. boiling water B. frying chicken C. paint drying D. cutting your hair
Which one of the following is a physical change? A. burning wood B. dyeing fabrics C. erasing a mistake D. charging a battery
Which of the following is a chemical property? A. density B. reactivity to acid C. color D. length E. luster
A sample of brass, a metal alloy, is classified as: A. a pure substance B. a compound C. a homogeneous mixture D. a heterogeneous mixture
When an electric current is passed through liquid water, gases begin to form and bubble through the liquid. Water must be: A. a mixture B. an insulator C. an element D. a compound
Which one of the following substances is a heterogeneous mixture? A. “smoggy” sky B. apple juice C. mercury D. a nickel