PHYSICAL AND CHEMICAL CHANGE
VOCABULARY
facts
random
What's Up?
100
apples becoming applesausce
What is chemical change
100
to mix evenly in a mixture
What is disolve
100
what type of matter does not have a definite shape, color, or texture
What is air (or a gas)?
100
The object reacts with acid to form water is an example of a __________ property?
What is a chemical Proplerty?
100
is grass growing a physical change? true or false
What is true
200
You are shining a light through liquids A and B, which are both mixtures. You can see the light pass through A, but B looks cloud What is A & By and you see tiny particles floating in it.
A is a solution
B is a suspension.
200
amount of space an object takes up
What is mass
200
how is the mass of an object measured.
What is a balance or triple beam scale?
200
.
Based on the diagram, Describe the properties of this substance.
The parts of a mixture keep their own properties.
200
Based on what you know about changes in matter, explain why the diagram shows a physical change rather than a chemical change.
The composition of the matter stays the same
300
A rock is put into a graduated cylinder with water. What is being measured?
What is volume?
300
Characteristics used to describe and compare matter
What are properties?
300
Which types of changes observe the law of conservation of mass?
Physical and chemical changes.
300
Hydrogen gas is less dense than oxygen gas is an example of a______ property. Density is a ______ property
What is Physical?
300
is a tree falling a chemical change true or false
What is false
400
Magnetism, solubility, and malleability are physical properties of matter. What makes these properties different from chemical properties?
Physical properties can be observed without attempting to change the identity of the substance.
400
What shows a physical change rather than a chemical change?
What is #3? The composition of the matter stays the same
400
T or F Flattening is an example of a chemical change.
False
400
What physical property is not similar in all four objects,; scissors, horse shoe, nail, and paper clip made of the same metal?
What is mass?
400
What physical property does not change when the size of a sample changes.
What is density?
500
Dry ice is solid carbon dioxide. At room temperature, it changes directly into a gas. This is known as ...
What is sublimation?
500
Alisa placed a small seashell on the pan of a balance. What other tool does she need to determine the density of the seashell?
What is a graduated cylinder>
500
.
Which property of matter is Josie measuring?
What is volume?
500
The following illustration shows three different states of a substance.
What happens when the substance in jar B changes state to the substance in jar A?
The particles vibrate faster.
500
Nora notices water droplets on the grass in the morning. It did not rain during the night. Which is true about this change of state?
The energy was lost in the air causing condensation, so dew formed.
600
Which types of changes observe the law of conservation of mass?
Both physical & chemical changes.
600
Solids have a _____ ______ & a definte ________.
What is a definite shape & definite volume?
600
Which types of changes observe the law of conservation of mass?
What are chemical & physical?
600
What happens to the temperature of a sample of matter as it changes from a liquid to a gas?
It stays constant.
600
A puddle dries up? Explain where the water went.
It evaporated into water vapor.
700
How are elements and compounds similar?
Elements and compounds are both pure substances
700
.
Describe the liquids.
A is a solution, and B is a suspension
700
The two beakers shown below contain pure water.
Which of the following is a chemical property of the water in both beakers?
They both reacts with metals
700
A child cries and says, "My ice cream is melting!" What scientific fact can youtell him?
The ice crease changes state, but the same amount is there.
700
describe the liquids.
A is a solution, and B is a suspension.