'Elements hydrogen' diaporamas de présentation

Matter

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Arson Analysis of Fire

Arson is defined as purposely setting fire to a house, building or other property. Arson is the second leading cause of death by fire in the U.S. An estimated 500 Americans died in arson-related fires. Arson caused more than $2 billion in property damage.

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2.1: Classifying Matter

2.1: Classifying Matter. What is a pure substance?. Matter that always has exactly the same composition. Examples: Table Salt and Table Sugar. Substances. Have a fixed, uniform composition Every sample has the same properties Classify substances into two categories:

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Atoms and Matter

Atoms and Matter. Matter. Matter is anything that has mass and takes up space ( volume) . The universe is full of matter. At your table, write down 5 examples of matter in the science classroom. Elements. Matter is made of elements.

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HIGHER CHEMISTRY REVISION .

HIGHER CHEMISTRY REVISION . Unit 1:- Bonding, Structure and Properties. 1. Although propane and ethanol have similar molecular masses, the alkane is a gas at room temperature while the ethanol is a liquid. This difference in boiling point is due to the different strengths of the

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Science stuff

Science stuff . By georgiana and ryan. What is a hydrocarbon. A hydrocarbon is a group compound which contain the elements hydrogen and cabon Hydrocarbons are used for combustion Hydrocarbons are used in gigs and football matches ,they are used in the lighting and electricity.

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