19655447
Descripción
Test por Jane Hartdegen, actualizado hace más de 1 año
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Creado por Jane Hartdegen
hace alrededor de 5 años
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Pregunta 1
Pregunta
Another name for a chemical change is a _____________.
Respuesta
-
physical change
-
chemical reaction
-
chemistry
Pregunta 2
Pregunta
Mixing ingredients such as flour, water, sugar, and eggs is an example of a _______________ change.
Respuesta
-
physical
-
chemical
-
compound
Pregunta 3
Pregunta
An [blank_start]alloy[blank_end] formed from a mixture of at least one metal and another substance (Ex. iron and copper).
Respuesta
-
alloy
-
mixture
-
rust
Pregunta 4
Pregunta
Burning a piece of wood is an example of a chemical change.
Respuesta
- True
- False
Pregunta 5
Pregunta
Knitting yarn into socks is an example of a chemical change.
Respuesta
- True
- False
Pregunta 6
Pregunta
The three states of matter are:
Respuesta
-
liquid, gas & ice
-
gas, solid and evaporation
-
liquid, solid & gas
Pregunta 7
Pregunta
The more energy (heat) the [blank_start]faster[blank_end] the particles move.
Respuesta
-
slower
-
faster
Pregunta 8
Pregunta
What are two processes that can change a liquid into a gas?
Respuesta
-
Evaporating and Distillation
-
Boiling and Melting
-
Evaporating and Boiling
Pregunta 9
Pregunta
What are two processes that are used to separate a salt water solution?
Respuesta
-
Boiling and Melting
-
Distillation and Evaporation
-
Boiling and Distillation
Pregunta 10
Pregunta
_______ is the separation of a liquid from solid by changing the liquid into a gas and then condensing back into a liquid.
Respuesta
-
Distillation
-
Evaporation
-
Condensation
Pregunta 11
Pregunta
What is formed when a chemical reaction happens between iron and oxygen, forming a new substance?
Respuesta
-
Tarnish
-
Oxidation
-
Rust
Pregunta 12
Pregunta
Cutting, folding or cutting are all examples of physical changes.
Respuesta
- True
- False
Pregunta 13
Pregunta
Adding heat (energy) to a substance will case the particles to move slower.
Respuesta
- True
- False
Pregunta 14
Pregunta
A physical combination of two or more kinds of matter is a _________.
Respuesta
-
physical change
-
mixture
-
change of state
Pregunta 15
Pregunta
All chemical reactions either give off [blank_start]energy[blank_end] or use [blank_start]energy[blank_end].
Respuesta
-
energy
-
evaporation
-
mixtures
-
energy
-
mixtures
-
particles
Pregunta 16
Pregunta
A change of state does not affect an object's ______ because the particles are moving closer together or farther apart.
Respuesta
-
mixture
-
identity
-
temperature
Pregunta 17
Pregunta
When liquids are cooled (except water), its particles become farther apart.
Respuesta
- True
- False
Pregunta 18
Pregunta
Settling, filtration and magnets are all ways of separating a _________.
Respuesta
-
physical change
-
solution
-
mixture
Pregunta 19
Pregunta
A change in temperature can cause water to change from one state to another.
Respuesta
- True
- False
Pregunta 20
Pregunta
During the _______ process, a liquid becomes a gas and is not changed back into a liquid.
Respuesta
-
evaporation
-
distillation
-
boiling
Pregunta 21
Pregunta
[blank_start]Mixtures[blank_end] is a physical combination of two or more kinds of matter.
Respuesta
-
Filtration
-
Mixtures
-
Physical change
Pregunta 22
Pregunta
A [blank_start]solution[blank_end] is a mixture in which two or more substances are blended completely.
Respuesta
-
solution
-
chemical change
-
filtration
Pregunta 23
Pregunta
[blank_start]Chemical properties[blank_end] only change during chemical reactions.
Respuesta
-
Change of state
-
Mixtures
-
Chemical properties
Pregunta 24
Pregunta
An [blank_start]alloy[blank_end] is a solution in which at least one of the substances is a metal.
Respuesta
-
alloy
-
iron
-
oxide
Pregunta 25
Pregunta
When differences in densities cause the parts of a mixture to separate.
Respuesta
-
evaporation
-
settling
-
chemical change
Pregunta 26
Pregunta
Separates things by size
Respuesta
-
Filter
-
solution
-
distillation
Pregunta 27
Pregunta
Separates a solid from a liquid
Respuesta
-
Evaporation
-
Settling
-
Filtration
Pregunta 28
Pregunta
A solution heated until the liquid becomes a gas and the solid is left behind.
Respuesta
-
chemical change
-
distillation
-
filtration
Pregunta 29
Pregunta
[blank_start]Tarnish[blank_end] forms when silver reacts with sulfur in the air.
Respuesta
-
Tarnish
-
Iron
Pregunta 30
Pregunta
A [blank_start]Chemical Change[blank_end] begins with one kind of matter and ends with another.
Respuesta
-
Chemical Change
-
Physical Change
-
Change of State
Pregunta 31
Pregunta
[blank_start]Rust[blank_end] is a solid, brown material that forms when iron gets wet and reacts with oxygen.
Respuesta
-
Tarnish
-
Rust
Pregunta 32
Pregunta
The change of a liquid to a gas without boiling is called _________.
Respuesta
-
melting
-
evaporation
-
settling
Pregunta 33
Pregunta
Rapid change of state from a liquid to a gas is called [blank_start]boiling[blank_end].
Respuesta
-
boiling
-
evaporation
-
change of state
Pregunta 34
Pregunta
A change of state from a solid to a liquid is called [blank_start]melting[blank_end].
Respuesta
-
melting
-
evaporation
Pregunta 35
Pregunta
[blank_start]Change of State[blank_end] is a physical change in which one state of matter turns into another.
Respuesta
-
Change of State
-
Chemical Change
-
Physical Properties
Pregunta 36
Pregunta
[blank_start]Steam[blank_end] is water in the form of a gas.
Respuesta
-
Steam
-
Boiling
-
Evaporation
Pregunta 37
Pregunta
___________ begins and ends with the same type of matter.
Respuesta
-
Change of State
-
Physical Change
-
Chemical Change
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