Junior Cert Science
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 the name given to the small particles that all substances are made of | Atoms
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| What is the definition of an atom | An atom is the smallest part of an element that still has the properties of that element
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| What is the definition of an element | An element is a substance which cannot be broken down into simpler substances by chemical means
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| Which non metal element can exist in two form, graphite or diamond | Carbon
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| Which yellow non metal solid element is used in fireworks and matches | Sulfur
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| Which silver metal element is used in the manufacture of ships and skysrapers | Iron
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| Which brown solid metal element is an excellent conductor of electricity | Copper
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| Which yellow solid metal is used in making of jewellery | Gold
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| Which soft silver white metal can easily be cut with a knife | Sodium
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| What is the definition of a compound | A compound is formed when two or more elements combine together chemically
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| What is the definition of a molecule | A molecule is the smallest part of an element or compound that can exist on its own
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| What is the definition of a mixture | A mixture consists of two or more different substances mixed together but not chemically combined
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| In a mixture, does the proportions of each substance in the mixture matter | No
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| Does the proportions of each substance matter in a compound | Yes
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| Is a mixture difficult or easy to separate | Easy
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| Is a compound difficult or easy to separate | Difficult
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| Give two examples of a compound | Water and sodium chloride
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| Give two examples of a mixture | Air and seawater
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| What is a physical change | A reaction in which nothing new is made
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| What is a chemical change | A reaction in which something new is made
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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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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:
gcu science
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