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mixture/solutions

Science Grade 7

QuestionAnswer
What is a pure substance made up of all the same atoms
What is matter any material that takes up space and has mass
name a form of matter solid
name a form of matter liquid
name a form of matter gas
What are properties characteristics that are used to describe matter
What is a Mixture combination of two or more things
Heterogeneous mixture is also known as a mechanical mixture
Homogeneous mixture is also known as a solution
what is a Heterogeneous mixture has more than one set of properties, does not look the same all over
what is a Homogeneous mixture has one set of properties, looks the same all over
dissolving Forming a solution by combining two ore more things together
solute something that gets dissolved
solvent something that does the dissolving
why did the sugar dissolve in water? because sugar particles are more attracted to the water particles
what does soluble mean able to be dissolved in a particular solvent
What does insoluble mean not able to be dissolved in a particular solvent
What causes something to dissolve faster increasing temperature
what causes something to dissolve faster decreasing particle size
what causes something to dissolve faster stirring or shaking
what causes something to dissolve faster increasing pressure
why does increasing the temperature cause something to dissolve faster The particles will move faster and the solvent will carry the solute particles away faster
Why does decreasing the particle size make something dissolve faster When the solute is in smaller pieces, there is more surface area where dissolving can occur
Why does stirring or shaking make something dissolve faster it moves the solute particles around so that they are closer to the solvent particles.
Is Copper a mixture or pure substance Pure Substance
Is Gold a mixture or pure substance Pure Substance
What kind of mixture is Pizza Heterogeneous Mixture
What kind of mixture is Salad Mechanical Mixture
What kind of mixture is Milk Heterogeneous Mixture
What kind of mixture is Powerade Solution
What kind of mixture is Air Homogeneous Mixture
What kind of mixture is Ketchup Chips Mechanical Mixture
What kind of mixture is cookies and cream ice cream Mechanical Mixture
Is calcium a mixture or pure substance pure substance
Created by: weastwood