What are solids, liquids, and gases?
What are mixtures and solutions?
What makes up matter?
What are chemical changes?
What are physical changes?
100
How do particles move in liquids?
The particles glide past each other.
100
This is when different materials are placed together, but each material keeps its own properties.
What is a mixture?
100
This is anything that has mass and takes up space.
What is matter?
100
This is a chemical change that takes place in the leaves of plants.
What is photosynthesis?
100
Melting, freezing, evaporation, condensation are examples of a physical change. True or false?
What is true?
200
How can temperature be used to identify a material?
Each material has its own melting point.
200
How can you separate substances from a mixture?
Use the physical properties of a substance.
200
This is type of matter made of two or more elements.
What is a compound?
200
This is evidence that a chemical change has occurred.
What are heat, light, a new color, a new smell, gas bubbles, or formation of a solid?
200
This is the definition of physical change.
What is a change in some properties of matter without forming a different kind of matter?
300
What are the four states of matter?
Solid, liquid, gas, and plasma
300
This helps a solid dissolve in a liquid faster.
What is heating and stirring?
300
These are both made of carbon atoms.
What are diamonds and graphite?
300
Rust is the chemical change that occurs when this happens.
What is leaving an iron object where it can get wet.
400
What happens to water vapor when the air temperature decreases?
It condenses and turns into liquid water.
400
This is a mixture in which the materials are spread out evenly and will not settle.
What is a solution?
400
This is the smallest particle of a compound that still has the properties of that compound.
What is a molecule?
400
The ripening of fruit is not a chemical change. True or False
What is false.
400
This can make gases shrink.
What is decrease in temperature?
500
What is the difference between the melting point and freezing point?
Nothing, they are the same.
500
Give an example of a solution of a gas and a liquid.
What is a carbonated drink?
500
These can not be broken down into any other substances.
What are elements?
500
This can affect the rate of a chemical change.
What is temperature?
500
This is how temperature can break rocks.
What is warming and cooling, day after day and year after year, causes rocks to expand and contract?
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