VOCABULARY
TRUE OR FALSE
SHORT ANSWER
Short Answer
PHYSICAL AND CHEMICAL CHANGES
100
When 2 or more elements are combined chemically.
What is a compound?
100
A filter separates things by color.
What is False?
100
Periodic means…… a. Repeating in a pattern. b. repeating properties c. arranged in groups
What is repeating in a pattern.
100
Which example is a chemical change? a. Paper being cut into people shapes. b. A penny that has tarnished.
What is a penny that has tarnished.
100
A type of change that forms a new substance
What is CHEMICAL CHANGE
200
The change of a liquid to a gas.
What is evaporation?
200
All matter is made up of mixtures.
What is FALSE
200
Chemical changes can be…. a. beneficial b. annoying c. harmful d. all of the above
What is all of the above
200
Water is a compound made up of the elements… a. carbon and oxygen b. oxygen and sugar c. carbon and hydrogen d. hydrogen and oxygen
What is hydrogen and oxygen.
200
Would water evaporate more quickly by a sunny window or in the dark? Why?
What is by a sunny window because it would have heat from the sunlight. The dark would not have sunlight so it wouldn't have heat.
300
Changes in matter itself.
What is a chemical change?
300
An alloy is a mixture of two or more elements, at least one of which is a metal.
What is true?
300
What other name describes a chemical change? a. physical reaction b. chemical reaction c. physical change d. change of state
What is chemical reaction
300
How are the elements in the periodic table arranged? a. in columns called groups b. in rows by color
What is in columns called groups
300
Takes place when rust forms on iron
What is a CHEMICAL REACTION
400
Begins and ends with the same type of matter.
What is a physical change?
400
An element is made up of only one kind of matter.
What is TRUE
400
Which of the following is an example of a mixture? a. glass of salt water b. bowl of peas and carrots c. pot of sand and soil d. all of the above
What is all of the above
400
How does energy affect evaporation?
What is when there is heat there is more energy which leads to evaporation.
400
A change in size, shape, or state... melting or freezing
What is a PHYSICAL CHANGE
500
2 or more types of matter are combined but each type keeps its original properties.
What is a mixture?
500
Rust is not an element.
What is TRUE
500
All chemical changes involve… a. energy b.mixtures c. electricity d. metals
What is ENERGY?
500
The smallest particles of an element.
What are atoms
500
Mixing baking soda and vinegar causes a ......
What is CHEMICAL REACTION
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