Science test
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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| show | Weathering
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| What helps to break up rocks into smaller pieces over thousands of years? | show 🗑
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| What happens during mechanical weathering? | show 🗑
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| Does mechanical weathering change the make up of the rock? | show 🗑
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| show | The total surface area of the rock increases
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| What holds more water and nutrients sandy or clay soil? | show 🗑
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| show | Clay soil consists of smaller particles that have more surface area
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| show | Water enters into cracks in rocks and freezes
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| show | The water expands when it freezes and makes the cracks larger
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| What is it called when rocks grind away by friction or impact? | show 🗑
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| What else can cause mechanical weathering? | show 🗑
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| show | The materials that make up rocks are changed into new material
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| What is an important agent of chemical weathering and why? | show 🗑
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| show | Acid
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| show | Ph
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| show | Neutral
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| Why does rain weather rock? | show 🗑
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| show | Rain that contains pollutants that make its pH less than 5
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| What happens during oxidation? | show 🗑
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| show | The air
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| What is the product of oxidation? | show 🗑
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| show | They form ores which people use to obtain metals
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| show | The outer layer
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| What do mechanical and chemical weathering depend on? | show 🗑
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| show | In areas where the temperature changes a lot-expanding and contracting
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| Where does chemical weathering occur? | show 🗑
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| show | In regions near the equator
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| What affects how fast weathering occurs? | show 🗑
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| show | The most easily weathered mineral
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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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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:
jacksterner