BC Science 9 Chapter 1
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 does WHMIS stand for? | Workplace Hazardous Materials Information System
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| The amount of matter in a substance. | Mass
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| The amount of space a substance occupies. | Volume
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| Density | Mass/Volume
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| Smallest particle of a chemical element. | Atom
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| Two or more atoms joined together. | Molecule
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| Pure substance | Has the same identical physical and chemical properties always.
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| Loose mixture of items that can easily pick apart. | Mechanical mixture
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| Mixture of solids, liquids, or gases that appear to be one substance. | Solution
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| Mixture of a liquid with a solid that floats when mixed together. | Suspension
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| What is a chemical change? | A change in matter when new substances are produced.
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| What happens when a physical change occurs? | There may be a change in appearance, but no new substances are formed.
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| Particles of matter are always doing this? | Moving
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| Energy of motion | Kinetic energy
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| Found between particles | Empty space
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| Change of state: solid to liquid | Melting
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| Change of state: liquid to solid | Solidification
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| Change of state: solid to gas | Sublimation
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| Change of state: gas to solid | Deposition
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| Change of state: gas to liquid | Condensation
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| Change of state: liquid to gas | Evaporation
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| Properties that can be described but not measured | Qualitative
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| Properties that can be measured numerically | Quantitative
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| What is a pure substance? | Element or compound
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| Aristotle's four elements: | Earth, water, air, fire
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| Alchemists were looking for what? | Philosopher's stone (cheap metals to gold)
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| Dalton called the smallest particle of an element this? | Atom
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| A model to describe Thomson's model of the atom | Raisin bun model
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| Describes Thomson's model of the atom | A positively charge mass surrounded by negatively charged particles
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| Thomson described negatively charges; later called this | Electrons
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| Rutherford described the atom as being made up of mostly this? | Empty space
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| Rutherford called the centre of the atom this? | Nucleus
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| Rutherford described the atom this way? | A tiny dense centre called a nucleus with electrons around it
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| Bohr described the location of electrons this way. | Around the nucleus in specific energy levels or shells
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| What are the three subatomic particles? | Proton, electron, neutrons
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| Charge of a proton | Positive
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| Charge of an electron | Negative
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| Charge of a neutron | Neutral
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| Occupies the most space in an atom | Electron shells
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| Most of the mass in an atom is found here? | Nucleus
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| Heaviest subatomic particle | Proton or Neutron
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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.
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.
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:
darrinaustin
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