Read each question below very carefully and then choose the correct answer. There are a variety of question types so make sure you understand what the question is asking you to do before answering. Raise your hand and ask for clarification if you are not sure.
Do not submit your quiz until your certain that the answers you chose are your final answers.
A physical change can best be defined as...
Melting, freezing and evaporation...
Which of the following groups contains only examples of physical changes?
How are chemical and physical changes similar?
Choose the situation below that has examples of both a physical change and a chemical change...
A chemical change can best be defined as...
Tarnishing, rusting and oxidation...
Plants go through a process of photosynthesis to make their own food. The plants take carbon dioxide and water and turn it into sugar and oxygen. The process of photosynthesis is an example of chemical change because...
Which of the following scenarios is an example of a chemical change?
Which of the following scenarios has two examples of chemical changes?
Look at each situation and determine whether it is an example of a physical change or a chemical change:
Physical Change | Chemical Change | No change takes place | |
|---|---|---|---|
Cake batter to cake | |||
Car tire gets a flat | |||
Rubbing alcohol evaporates | |||
Fireworks exploding |
Read the passage below and click on the highlighted words that are associated with PHYSICAL CHANGE:
While
If a substance goes through a physical change the total number of atoms it had before the change will be the number of atoms after the change.
If a substance that is made from 1 carbon atom, 4 oxygen atoms, and 4 hydrogen atoms
goes through a chemical change, the new substance will have atoms than before the change.
The state of matter that a substance is in, is considered a
Flammability is a of matter.
When a physical change occurs, there is some sort of reaction.
A chemical change always results in new matter being formed.
Sublimation is when matter goes right from the solid state to the gas state. That means that sublimation is a physical change.
If a substance dissolves in water, that is an example of a chemical change.
Digesting food is an example of a physical change
Check the boxes of all the measurable properties of matter:
The basic building block of all matter is know as
Check the boxes of all the units that are used when measuring matter in the metric system:
Most of the world uses the standard system of measurement.