4th grade science Macmillan/McGraw-Hill
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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| cell | smallest unit of living matter
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| what all living things need | food, water, oxygen, shelter
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| organism | living thing
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| 5 jobs of all organisms | reproduce, offspring, food for energy, get rid of waste, react to changes in the environment
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| oxygen | gas in air
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| reproduce | to make copies of themselves
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| offspring | young of living things
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| plant properties | cell wall is box shape, chlorophyll
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| animal properties | cell membranes round
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| tissue | many cells grouped together doing a job
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| largest organ | skin
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| organ system | serveral organs to preform life functions
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| bacteria | smallest cell of all
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| microscope | makes small things look bigger
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| viruses | cannot reproduce on their own, smaller than a cell
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| thick protective cell wall | plant cells
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| thin membrane and no cell wall | animal cells
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| reason why plant cells need a thick protective coating | plant cells need a thick protective coating to prevent viruses from getting to the nucleus and taking control
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| why do plants cells need more protection than animal cells | plants cannot move on their own so their cells need more protection. Also, thick cells walls may make it easier for plants to store food for long periods of time
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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:
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