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Can you describe the density changes between the two substances that a lava lamp contains?
Wiki User
∙ 14y ago
The light at the bottom heats up the oil, therefore expanding it and making it less dense. The less dense oil then floats to the top, where the cooler, more dense, oil floats to the bottom.
Wiki User
∙ 14y ago
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Are chemical changes when substances combine or are they when substances breaking apart?
A reaction between two substances or the decomposition of a substance are chemical changes.
How do you think the stain changes the sample?
A stain is the result of an interaction between substances.
What describes the dynamic changes between sedimentary metamorphic and igneous substances.?
rock cycle
What substances does the enzymes in saliva change starch into?
it contains enzymes which break the starch down to sugar
What kind of changes in substances are always physical changes?
The kinds of changes in substances that are always physical changes are changes in the state. This is the change from solid, to liquid and then to gas and the reverse.
Are chemical changes when substances combine or are they when substances breaking apart?
A reaction between two substances or the decomposition of a substance are chemical changes.
What properties of a substance is describe's how it changes while being converted into a different substances?
you stink like a rotten animal!
Those properties of a substance that describe how it changes while being converted into a different substances?
These are called Chemical Properties.
How do you think the stain changes the sample?
A stain is the result of an interaction between substances.
What is the relationship between the chemical properties of a substances and the chemical changes of a substances?
The chemical properties of an object show what a chemical change did to that substance.
What describes the dynamic changes between sedimentary metamorphic and igneous substances.?
rock cycle
''what'' changes produce new substances?
chemical changes
Chemical changes are the processes by which substances?
change into new substances
What substances does the enzymes in saliva change starch into?
it contains enzymes which break the starch down to sugar
What substances undergo physical change?
All substances have physical changes.
What Is the between physical changes and chemical change?
Physical changes is change in property. Ex) change from solid to liquid....ice to water. Chemical change changes to different substances. Ex) rotting of fruit.
In terms of chemical bond and electrons what kind of changes occur between atoms when substances undergo chemical reaction?
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