By Margot Lamie
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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| Can elements be separated into simpler substances? | No. Elements always stay as they are.
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| What are compounds made up of? | Two or more elements.
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| Can a compound be separated chemically or physically? | A compound can only be separated chemically. A compound has a chemical formula and it always made in a specific ratio.
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| What is a mixture made up of? | Two or more substances.
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| Can a mixture be separated physically or chemically? | A mixture can be separated physically and has no chemical change.
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| What is a heterogeneous mixture? | In a heterogeneous mixture, you can see all the parts. A heterogeneous mixture is not completely combined. ex. italian dressing, chocolate chip pancakes
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| What is a homogeneous mixture? | In a homogeneous mixture, you cannot see all the parts. A homogeneous mixture is completely mixed and appears the same throughout. ex. saltwater, baked cake
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| What is a physical change? | happens when matter changes size, shape, or form ex. water boiling (liquid to gas)
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| What is a chemical change? | any change that results in the creation of a new chemical substance
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| What is density? | mass/volume
substances that are denser contain more matter in a certain volume
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| What is an example of density? | Lead is very dense while aluminium is not
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| What is an example of a chemical change? | baking soda and vinegar reacting to create foam
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| What is matter? | anything that has mass and takes up space
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| What is an atom? | an atom is composed of matter; the smallest part of an element
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| What are protons, electrons and neutrons? | protons: positively charged particles within the atom
neutrons: neutrally charged particles within the atom
electrons: negatively charged particles within the atom
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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:
margotlamie07
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