What's the MATTER?!
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
C. When water boils, the liquid changes to a gas. Particles in gases are FARTHER APART and move FASTER than particles in liquids or solids.
A packet of trail mix has raisins, nuts, granola, and cranberries. Which statement correctly describes the trail mix?
A) The trail mix is a mixture because it contains an equal number of nuts and raisins.
B) The trail mix is a mixture because the ingredients dissolve in water.
C) The trial mix is a mixture because the ingredients cannot be separated.
D) The trail mix is a mixture because the ingredients can be separated easily.
D) The trail mix is a mixture because the ingredients can be separated easily.
Which object is described below:
-has the ability to float.
-is not soluble in water.
-is an insulator.
-is not attracted to a magnet.
A) Wood
B) Spoon
C) Penny
D) Iron Nail
A) Wood
The amount of space matter takes up is called what?
A) Solution
B) Physical Property
C) Matter
D) Volume
D) Volume
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
C. Liquid precipitation turning into freezing rain is an example of freezing.
Which of the following can cause water to change from solid to liquid?
A) Time and temperature
B) Time and volume
C) Temperature
D) Weather and volume
A) Time and temperature
Yes, by adding heat to water over time, it causes ice to melt.
Following an experiment testing mixtures, which would be the best conclusion about simple mixtures?
A) After mixing, ingredients in a simple mixture develop new properties.
B) Stirring a simple mixture changes the properties of is ingredients.
C) A simple mixture can be easily separated.
D) A simple mixture dissolves in water.
C) A simple mixture can be easily separated.
Is oil soluble in water?
No, because it floats on the top of the water and would not dissolve.
What is a characteristic of matter that can be observed or measured?
A) Mass
B) Volume
C) Physical Property
D) Relative Density
C) Physical Property
Which of the following is an example of water reaching its melting point?
A) 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
C. An ice cube left on the counter
A student places four different substances in a separate beakers. The student places each beaker on a hot plate and heats the substances for five minutes. Which substance goes through a change in state when tested in this manner?
A) Penny
B) Craft stick
C) Ice cube
D) Pebble
C) Ice cube
A student dissolves 20 grams of salt in a pan of 200 milliliters of water. The student places the pan on a hot stove. How much salt is left after all the water evaporates?
A) There is no salt left because it evaporates with the water.
B) Twenty grams of salt are left after all the water evaporates.
C) Ten grams of salt evaporate, leaving ten grams in the pan.
D) None of the above.
B) Twenty grams of salt are left after all the water evaporates.
Salt does not evaporate. Salt goes through a physical change whet it mixes with water, but the salt does not change chemically. It is still salt.
A) Condensation
B) Accumulation
C) Evaporation
D) Precipitation
A) Condensation
Condensation is the change from a gas to a liquid.
Matter that allows heat to pass through easily is-
A) Electrical Insulator
B) Thermal Conductor
C) Electrical Conductor
D) Thermal Insulator
B) Thermal Conductor
What would you need to investigate the boiling point of water?
A) Thermometer, beaker, timer, goggles, hot plate
B) Hot plate, goggles, thermometer, tongs
C) Tongs, hot plate, timer, graduated cylinder
D) Beaker, pan balance, goggles, thermometer
A) Thermometer, beaker, timer, goggles hot plate
Which of the following changes is caused by adding heat?
A) Ice cubes placed in water got smaller.
B) Wet clothes hung out on sunny day became dry.
C) A pat of butter spread on a tortilla softened and lost its shape.
D) All of the above.
D) All of the above.
A student makes a drink stirring lemon juice and sugar into a glass of water. Why is this drink considered a solution?
A) The lemon juice and sugar change the taste of the water.
B) The water changes color.
C) The lemon juice and sugar dissolve in the water.
D) The student stirs the mixture.
C) The lemon juice and sugar dissolve in the water.
In order to become a solution, the solute dissolves in the solvent.
You are investigating changes in states of matter caused by heating and cooling. How can the reliability of the results be increased?
A) repeat the investigation
B) Communicate valid conclusions
C) Organize the information
D) Create a data table
A) repeat the investigation
Reliability means dependable, accurate, constant, valid or trustworthy.
Doing the investigation more than once shows similar results occurred every time, increasing the likelihood they are true.
What is the definition of electrical conductor?
A) Matter that does not allow heat to pass through easily.
B) Matter that does not allow electricity to pass through easily.
C) Matter that allows electricity to pass through easily.
D) A tool used to determine volume.
C) Matter that allows electricity to pass through easily.
What is the boiling point AND freezing point of water in Celsius?
100 degrees celcius
0 degrees Celsius
An igloo is made of ice and snow. Which state of matter is used to make an igloo?
A) Liquid
B)Solid
C) Water
D) Gas
B) Solid
The part of the mixture in which other substances are dissolved is called the-
A) Solute
B) Solvent
C) Variable
D) Mixture
A) Solute
What characteristic of Dr. Pepper makes it a solution?
A) It contains more than one ingredient.
B) It was developed using a recipe.
C) It contains dissolved fruit syrups and carbonated gas.
D) It can be separated using a filter.
C) It contains dissolved fruit syrups and carbonated gas.
Whether something floats or sinks in water is called what?
Relative Density
A student is given an unknown liquid to test in the laboratory. The student thinks the liquid is water. Which of the following is most helpful to determine if the liquid is water?
A) Boiling point of liquid
B) Color of liquid
C) Mass of liquid
D) All of the above
A) Boiling point of liquid