3rd Grade 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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| amphibian | A vertbrate that spends part of its life in water and part of its life on land.
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| bird | A vertebrate that has a beak, feathers, wings, and two legs and lays eggs.
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| cell | The basic building block that makes up all living things. You can use a microscope to see that a leaf is made up of many tiny cells.
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| environment | All the living and nonliving things that surround an organism. Water, soil, rocks, trees, and zebras are parts of the giraffes' environment.
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| exoskeleton | A hard covering, or shell, that holds up and protects an invertebrate's body. A snail's shell is an exoskeleton.
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| fish | A vertebrate that lives in water and breathes oxygen with gills.
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| gills | A structure some animals use to take in oxygen from water.
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| invertebrate | An animal that does not have a backbone.
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| leaf | The plant structure where a plant makes food.
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| lung | A structure some animals use to take in oxygen from air. Humans breathe oxygen using lungs.
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| mammal | A vertebrate that has hair or fur, is born live, and feeds its young with milk.
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| nutrient | A substance that living things need to grow and stay healthy. Spinach has many nutrients that people need.
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| organism | A living thing. Koala bears and eucalyptus trees are organisms.
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| photosynthesis | The process through which plants make food.
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| reproduce | To make more of one's own kind.
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| reptile | A cold–blooded vertebrate that has scaly, waterproof skin, breathes air with lungs, and lays eggs.
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| respond | To react to something. When the weather gets cool in the fall, some trees respond by losing their leaves.
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| root | A plant structure that takes in water and nutrients and holds a plant in place.
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| shelter | A place in which an animal can stay safe. A nest is a shelter for young birds.
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| stem | A plant structure that holds a plant up and helps leaves reach sunlight.
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| structure | A part of an organism. Horns are structures that help keep wild sheep keep safe.
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| vertebrate | An animal with a backbone.
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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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