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Math & Science Vocabulary

 

Math

Standard: 4.GM.3.2 Solve problems involving the conversion of one measure of time to another.

Vocabulary

Elapsed time- the amount of time that passes from the start to the end of an event.

Minute hand- the arrow on an analog clock that shows what minute the time is on.

Hour hand- the arrow on an analog clock that shows what hour the time is on.

Second - a unit of time equal to 1/60 of a minute

Minute - a unit of time equal to 60 seconds

Hour - a unit of time equal to 60 minutes

 

 

Science 

Standard: 4 ESS2-2  Students will be able to analyze data and interpret data from models to describe patterns in Earth’s features.

Vocabulary

 

weathering -wear away or change the appearance or texture of (something) by long exposure to the air.

erosion- the process of eroding or being eroded by wind, water, or other natural agents.

avalanche- a mass of snow, ice, and rocks falling rapidly down a mountainside.

acid rain-  rain polluted by acid that has been released into the atmosphere from

deposition- the action of deposing someone, especially a monarch.

vegetation- plants considered collectively, especially those found in a particular area or habitat.

landslide- the sliding down of a mass of earth or rock from a mountain or cliff.

Sedimentary rock-Rock that has formed through the deposition and solidification of sediment, especially sediment transported by water (rivers,lakes, and oceans), ice ( glaciers), and wind.

Sediment- matter that settles to the bottom of a liquid.

Fossil-the remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.

Index Fossil- a fossil that is useful for dating and correlating the strata in which it is found.