Show:
Definitions
Multiple Choice
Short Answer
100
change in which the composition of a substance changes
What is chemical change
100
What word best describes the type of matter that attract iron? a. mass b. physical c. magnetic
What is c. magnetic
100
What is the difference between physical changes and chemical changes
What is Physical changes only change form and chemical changes change form and composition
200
characteristic that can be observed using the 5 senses, without changing or trying to change the composition of a substance
What is physical property
200
Which is an example of a chemical property? a. color b. ability to burn c. mass
What is ability to burn
200
What are two signs on a chemical change?
What is odor, change of energy, change of color, forming of a solid within a solution, cannot be easily reversed
300
characteristic that cannot be observed without altering substances
What is chemical property
300
What characteristic best describes what happens during a physical change? a. composition stays the same b. form stays the same c. mass is lost
What is composition stays the same
300
What physical properties could you use to describe a baseball?
What is color - white with red stitching; size - small; state of matter - solid; feel - hard, soft leather
400
states that mass is neither created nor destroyed - and as a result that mass does not change
What is law of conservation of mass
400
What is an example of a chemical change? a. water freezes b. wire is bent c. bread is baked
What is bread is baked
400
How is density related to mass and volume
What is Density is calculated by dividing the mass of an object by its volume
500
change in which the form or appearance of matter changes but not its composition
What is physical change
500
What is NOT a clue that could indicate a chemical change? a. change in color b. change in energy c. change in shape
What is change in shape
500
What change is ice an example of? Why
What is physical because the form of water is changing but not the composition