Question | Answer |
Which property of matter is a measure of the gravitational force? | weight |
In a graduated cylinder containing several liquid layers, the least dense liquid is found... | floating at the top |
How does a physical change differ from a chemical change? | A physical change keeps its composition. |
Melting crayons is an example of a... | physical change |
Which of the following units would be best for describing the volume of mercury (liquid) used in an experiment? | liters or milliliters |
Which of the following events is not a common sign that a chemical change has taken place? | change in state |
What chemical property is responsible for iron rusting? | reactivity with oxygen |
The motion of a 150g ball is more difficult to change than the motion of a 50g ball because the 150g ball has... | more mass than the 50g ball |
What unit of density would be appropriate to describe a solid bar of silver? | g/cm3 |
Which physical property of matter describes the relationship between mass and volume? | density |
Souring milk is an example of a... | chemical change |
Malleability is an example of a... | physical property |
The saltiness of seawater is the result of... | solubility |
Objects float or sink as a result of... | density |
The physical form in which a substance exists is... | state |
The type of matter that makes up an object and the way it is arranged is... | composition |
The breakdown of water to form two gases is the result of... | electrolysis |
The ability of a substance to resist changes in motion is... | inertia |
The tendency of a substance to resist burning is... | nonflammability |
The rate at which a substance conducts heat is called... | thermal conductivity |
Because of _______ all objects tend to resist a change in motion. | inertia |
The physical property of matter that describes the relationship between mass and volume is _______. | density |
Water evaporating from a puddle is an example of a _______________. | physical change |
One way to learn about the ________ properties of a substance is to observe what new substances form during reaction. | chemical |
An object's ______ is affected by the gravitational force. | weight |
A copper penny can turn green if it reacts with carbon dioxide and water. This is an example of a _______________. | chemical change |
Which of the following is not a physical property of matter? | reactivity with water |
During physical changes, matter always retains its... | identity |
To compare the densities of oil and water, pour the liquids into a container and observe how they... | separate into layers |
Summarize the difference between mass and weight. | 1. Mass is a measure of the amount of matter, and weight is a measure of the gravitational force.
2. Weight depends on the location.
3. Mass is measured with a balance and written in g/kg, and weight is measured with a spring scale and written in N. |
What has mass and takes up space? | volume |
Aluminum made into thin sheets of foil is an example of ____________. | malleability |
An ice cube made of solid water is an example of _____. | state |
Rust forming on metal is an example of __________. | reactivity |
Copper pulled into thin wires is an example of _________. | ductility |
A flavored drink mix dissolving in water is an example of __________. | solubility |
Objects floating or sinking is an example of _______. | density |
Wood burning in a fireplace is an example of ____________. | flammability |
A flower smelling sweet is an example of ____. | odor |
Things with ______ cannot share the same place at the same time. | volume |
A chemical ________ describes which changes are possible for a substance. | property |
A chemical ______ describes the process by which new substances are formed. | change |
The amount of matter in an object is its ____. | mass |
The SI Unit for mass is _________________. | grams or kilograms |
If you know an object's mass you can figure out its ______ on Earth. | weight |
You could use ___________ to measure the volume of a soft drink. | milliliters |
State- | the physical form in which a substance exists |
Identity- | during physical changes, matter always retains its |
Composition- | the type of matter that makes up an object and the way it is arranged |