Which physical property is used to identify matter based on solubility?
a. ability to evaporate
b. volume
c. ability to dissolve
d. mass
What is C the ability to dissolve
100
Each of the following scenarios demonstrate freezing point EXCEPT-
a. a liquid changing into a solid
b. the temperature reaching 100 degrees Celsius
c. liquid precipitation turning into freezing rain
d. the temperature reaching 0 degrees Celsius
What is B the temperature reaching 100 degrees Celsius
100
Which substance, when mixed together, maintain their original physical properties?
a. gravel, sugar, water
b. wood chips, water, sand
c. sand, sugar, water
d. water, pepper, sugar
What is B wood chip, water, sand
100
Which of the following can cause water to change from solid to liquid?
a. time and temperature
b. time and volume
c. temperature and volume
d. weather and volume
What is A time and temperature
100
At what temperature does water boil?
a. below 0 Celsius
b. at 100 Celsius
c. between 0 and 100 Celsius
d. 100 F
What is B at 100 degrees Celsius
200
which tool is used to measure the property of temperature?
a. Celsius thermometer
b. stopwatch
c. pan balance
d. meter stick
What is a Celsius thermometer
200
Water changes its state of matter when heat is added or taken away. When water reaches its boiling point the particles-
a. are closer together
b. stay the same
c. are moving more rapidly
d. are moving more slowly
What is C are moving more rapidly
200
A student makes a garden salad by stirring lettuce, tomatoes, carrots, and croutons together in a bowl. Why is the garden salad a mixture?
a. the student cut the vegetables into equal sizes
b. the vegetables are combined but maintain their physical properties
c. the croutons can not be taken out of the salad
d. the salad grew from the garden
What is B vegetable are combined but maintain their physical properties
200
Ice cream is left out of the freezer for several hours. It changes from a solid to a liquid. This change is most likely caused by-
a. adding cool air
b. taking away heat
c. adding heat
d. an air conditioner unit
What is C adding heat
200
Classify the following based on mass. Which has the greatest mass?
a. marble
b. basketball
c. bowling ball
d. table tennis ball
What is C Bowling ball
300
Picture a glass of ice water. What evidence proves ice has less density than water?
a. the water has more buoyancy than the ice cubes
b. the ice cubes are floating in the water
c. the ice cubes are resting at the bottom of the glass
d. the ice cubes are melting and becoming liquid
What is b The ice cubes are floating in the water
300
Which of the following is an example of water reaching its melting point?
a. cup of water sitting outside on a sunny day
b. water simmering on a hot stovetop
c. an ice cube left on the counter
d. a cup of water placed in the refrigerator
What is C an ice cube left on the counter
300
Which statement about solution is correct?
a. all solutions contain more than two substances
b. a solution can only be created from liquids
c. all mixtures are solutions
d. all solutions re mixtures
What is D all solutions are mixtures
300
Water is heated until it begins to boil. What will happen to the water if it continues to boil?
a. it will turn into a gas
b. it will solidify
c. it will thicken
d. it will melt
What is A it will turn into a gas
300
Classify the following types of matter based on the property of magnetism. Which is magnetic?
a. iron
b. wood
c. glass
d. paper
What is A iron
400
Which of these materials would NOT be a good insulator of electricity?
a. metal
b. plastic
c. glass
d. wood
What is A metal
400
The temperature of water in a beaker measures 87 Celsius. How many more degrees must the temperature increase to reach the boiling point?
a. 23 C
b. 13 C
c. 212 C
d. 100 C
What is B 13 degrees Celsius
400
According to the diagram, what happened to the salt water?
Salt crystal + Water = Solution
a. they combined physically to form a special mixture
b. the salt and water evaporated
c. the salt and water separated, forming layers
d. the salt melted the water
What is A they combined physically to form a special mixture
400
Students are making Jell-O in class. What will happen to the liquid when it is cooled?
a. the liquid will evaporate
b. the physical state will change from a liquid to a solid
c. the physical state will remain a liquid
d. the physical state will change from a liquid to a gas
What is B the physical state will change from a liquid to a solid
400
oil, water, and corn syrup are placed in a glass. water floats on corn syrup but sinks in oil. Which classifies the relative density of water?
a. less dense than oil
b. greater density than oil
c. equal density to corn syrup
d. greater density than corn syrup
What is B greater density than oil
500
A copper penny, metal spoon and iron nail have all the following properties in common EXCEPT-
a. they all conduct electricity
b. they all sink in water
c. they are all magnetic
d. they are all solids
What is C they are all magnetic
500
A student places a cup of water in the freezer. The next morning the student observes that the water in the cup has changed to ice. Which of the following statements best concludes why the water changes to ice?
a. the water gains energy
b. the water reaches it's boiling point
c. the volume of the water decreases
d. heat is taken away from the water
What is D heat is taken away from the water
500
The part of the mixture in which other substances are dissolved is called is called the-
a. solute
b. solvent
c. variable
d. mixture
What is A solute
500
In the water cycle, what causes the process of EVAPORATION to take place
a. cold air rising
b. subfreezing temperature
c. removing the heat
d. adding heat
What is D adding heat
500
Matter may be a gas, solid, or a liquid. It can change from one state to another. which of the following can cause matter to change states?
a. a change in mass
b. a change in color
c. a change in volume
d. a change in temperature