Matter
What is Matter?
Anything that has volume and takes up space
Solid, liquids and gases are...
states of matter
What is physical property?
a characteristic that can be observed and measured without changing the chemical identity of a substance.
What is the formula for density?
mass / volume
When a candle is lit, the wick burns, the wax melts, the candle changes shape, and the air around the candle heats up. Which of the following is an example of a chemical change?
A. the wick burning
B. the wax melting
C. the candle changing shape
D. the air around the candle heating up
A
What is an element?
Substances that are made up of only one type of atom; anything found on the periodic table.
How are the particles in a solid arrange?
packed closely together, vibrating in place
What is the point that a liquid turns into a solid
freezing point
Temperature
Sunlight is composed of energy that is visible to humans and energy that is not visible to humans. Which statement describes how the visible energy from the Sun is different from the nonvisible energy?
A. It travels at a different speed through space.
B. It travels a different distance through space.
C. It has different wavelengths.
D. It has different amplitudes
C
What are the subatomic particles that make up an atom?
proton, neutron, and electron
When the particles in substances gain thermal energy the spaces between the particles increase or decrease?
increases
Is a change of state a chemical or physical change?
Physical change
What is the difference between weight and mass?
mass is the amount of matter in an object. weight is a measure of the force of gravity on an object
Mushrooms, bread molds, and yeasts are classified together in the kingdom Fungi. Specific characteristics are used to classify these organisms. Which of the following is a characteristic used to classify these organisms as fungi?
A. They are parasites.
B. They are unicellular.
C. They are prokaryotes.
D. They are heterotrophs.
D
Give an example of a Heterogeneous and Homogeneous mixtures
Heterogeneous- any mixture where you can easily see and separate the parts
Homogeneous- any mixture where you cannot easily see and separate the parts
Temperature is...
True or False Flammability is a physical property?
False
What is the equation to find volume and what is the correct unit to measure volume in.
Lenght x Width x Height cm^3
Which metal cube has the greatest density?
A. gold Mass = 96.5 Volume = 5.0
B. lead Mass =110.0 Volume= 10.0
C. iron Mass=158.0 Volume= 20.0
D. aluminum Mass=108.0 Volume=40.0
A
Carbon Dioxide is an example of?
A compound- a substance made of two or more elements that are chemically combined in a set ratio
what is the change of state from a solid to a gas called?
Sublimation
If something can be hammered into a thin sheet you would say it is....
How would you find the volume of an irregularly shaped object?
put a known amount of water in a graduated cylinder, drop the object in, measure the displacement and subtract that from the known amount.
A construction company planned to build an office building in an area that had been prone to landslides. The company’s geologist suggested a different location because a landslide could damage the office building. Which force causes the most concern for constructing the office building in this area?
A. adhesion
B. friction
C. gravity
D. magnetism
C