Science Grade 7
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is a pure substance | made up of all the same atoms
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| What is matter | any material that takes up space and has mass
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| name a form of matter | solid
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| name a form of matter | liquid
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| name a form of matter | gas
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| What are properties | characteristics that are used to describe matter
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| What is a Mixture | combination of two or more things
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| Heterogeneous mixture is also known as | a mechanical mixture
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| Homogeneous mixture is also known as | a solution
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| what is a Heterogeneous mixture | has more than one set of properties, does not look the same all over
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| what is a Homogeneous mixture | has one set of properties, looks the same all over
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| dissolving | Forming a solution by combining two ore more things together
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| solute | something that gets dissolved
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| solvent | something that does the dissolving
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| why did the sugar dissolve in water? | because sugar particles are more attracted to the water particles
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| what does soluble mean | able to be dissolved in a particular solvent
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| What does insoluble mean | not able to be dissolved in a particular solvent
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| What causes something to dissolve faster | increasing temperature
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| what causes something to dissolve faster | decreasing particle size
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| what causes something to dissolve faster | stirring or shaking
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| what causes something to dissolve faster | increasing pressure
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| 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
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| 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
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| Why does stirring or shaking make something dissolve faster | it moves the solute particles around so that they are closer to the solvent particles.
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| Is Copper a mixture or pure substance | Pure Substance
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| Is Gold a mixture or pure substance | Pure Substance
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| What kind of mixture is Pizza | Heterogeneous Mixture
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| What kind of mixture is Salad | Mechanical Mixture
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| What kind of mixture is Milk | Heterogeneous Mixture
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| What kind of mixture is Powerade | Solution
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| What kind of mixture is Air | Homogeneous Mixture
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| What kind of mixture is Ketchup Chips | Mechanical Mixture
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| What kind of mixture is cookies and cream ice cream | Mechanical Mixture
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| Is calcium a mixture or pure substance | pure substance
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
weastwood
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