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SS Science

lessons 69-72

Water will become vapor when it reaches what point? boiling
What is magma? Melted rock
What are some examples of substances that melt? Butter, wax, ice cubes
What could cause a substance that has melted to solidify? Cooling
All of living & nonliving things interacting & affecting each other in a certain area are an Ecosystem
What are cold blooded vertebrates that begin life breathing with gills; later they develop lungs? Amphibians
A solution is a mixture in which all of the particles are? Mixed evenly
A paper cutter is a combination of what 2 simple machines? lever & wedge
How do scientist classify all animals which have backbones? vertebrates
what are te properties of a substance? anything that describes it
solid to liquid melting
solid to gas sublimation
liquid to solid freezing
liquid to gas evaporation
gas (vapor) to liquid condensation
gas to solid deposition
The oldest fossils will most likely be found in what layer of the Earth's crust? Deepest
Created by: Avagrai07