A metal railing that rusts in damp weather is an example of this type of change.
What is a chemical change?
100
This is a pure substance that is only made up of one type of atom.
What is an element?
100
This state of matter has a definite shape and a definite volume.
What is solid?
100
This is the change of state from a liquid to a gas.
What is evaporation?
200
Mass divided by volume
What is density?
200
Sulfur and iron chips are in a pile. They can be separated using this instrument.
What is a magnet?
200
This state has a definite volume but not a definite gas.
What is liquid?
200
Of the following, if a liquid substance is heated and turns into a gas, this changes: the size of the particles, the speed that the particles move, the number of particles.
What is the speed that particles move?
300
Flammability is an example of this type of property.
What is a chemical property?
300
Of the following this is an example of a physical change: burning, rusting, flattening, decomposing.
What is flattening?
300
This is the reason that balloons are completely filled with air when blown up.
What is air is a gas, and gases take up the containers they are in?
300
This state has no definite shape or volume.
What is gas?
300
Particles move faster as temperature does this.
What is increases?
400
This type of property can be observed without changing the identity of the substance.
What is a physical property?
400
If baking soda and vinegar react and the reaction is contained, the mass of the final product is the same as the initial components. This is an example of this law.
What is the law of conservation of mass?
400
Of the following, this is an example of a suspension: salad dressing, whipped cream, gelatin, apple juice.
What is salad dressing?
400
The particles move the most when the substance is in this state.
What is gas?
400
This describes the temperature as a substance changes state.
What is it remains the same?
500
Of the following, this is the only characteristic that does not change based on the amount of the substance: density, mass, volume, weight.
What is density?
500
If bread is toasted too long, it turns black. The reaction goes too far because of this change.
What is an increase in temperature?
500
If you shine a light through 2 liquids, one will appear clear, but the other will appear cloudy and have particles visible in it. The difference between the liquids is this.
What is one is a solution, and the other is a suspension?
500
True or false: Particles of matter are always in motion.
What is true?
500
This is the reason that freezing a blown-up balloon changes the shape of the balloon.