Matter– & Matter – anything that takes up space & has mass .
6th Grade Science Properties of Matter. matter Anything that has mass and takes up space .
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Transcript of 6th Grade Science Properties of Matter. matter Anything that has mass and takes up space .
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6th Grade ScienceProperties of Matter
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matter• Anything that has
mass and• takes up space
http://www.chem4kids.com/files/matter_intro.html
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volume• The amount of space
an object takes up• Another word for
volume is capacity
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What are three properties of matter?
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What are three properties of matter?
• Has mass
• Takes up space (volume).
• Has a shape!
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atom
• The smallest particle that can still be identified as the matter it came from.
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molecule• A molecule is made
up to two or more atoms joined together.
• Water is a molecule made of two hydrogen atoms and one oxygen atom.
This is a DNA molecule
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What is an atom and what are its parts?
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What is an atom and what are its parts?
An atom is the smallest particle of matter
that still behaves like the matter it came
from.
An atom is made of protons, neutrons, and electrons.
http://www.harcourtschool.com/activity/science_up_close/519/deploy/interface.html
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element• Matter that is made of
only one kind of atom is an element.
• Carbon, hydrogen, and oxygen are all elements.
• The picture is of the element zinc in hydrogen chloride.
Zinc + HCl
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periodic table
• *Scientists use the periodic table to organize elements.
• *Each element has its own special place on the table.
• *The places are decided by the characteristics of the element.
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Solid Liquid Gas
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States of Matter Demonstration
• http://www.harcourtschool.com/activity/states_of_matter/index.html
• http://www.chem4kids.com/files/matter_states.html
• http://www.chem4kids.com/files/matter_changes.html
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Solid Liquid Gas
Has definite shape
Particles are close together and slow moving
Has volumehttp://www.chem4kids.com/files/matter_solid.html
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Solid Liquid Gas
Has a definite shape
Takes on shape of container
Particles are close together and slow moving
Particles are farther apart and faster-moving
Has volume Has volumehttp://www.chem4kids.com/files/matter_liquid.html
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Solid Liquid Gas
Has a definite shape
Takes on shape of container
Does not have definite shape
Particles are close together and move slowly
Particles are farther apart and faster moving
Particles are farthest apart and move rapidly
Has volume Has volume Expands to take up whatever space is availablehttp://www.chem4kids.com/files/matter_gas.html
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How are particles arranged in solids, liquids, and gases?
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How are particles arranged in solids, liquids, and gases?
• The particles of solids are close together and slow-moving.
• The particles of liquids are farther apart and faster-moving than solids.
• The particles of gases are farthest apart and move most rapidly.
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Draw a model representing how particles are arranged in solids,
liquids, and gases.• Check Ch1- Student Reading for
examples.
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5th Grade ScienceChapter 14
Properties of Matter
Changing States of Matter
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Physical change-a change in state
• The substance is still the same substance
• Form changes but chemical makeup doesn’t
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Ice changes to water—water changes to ice, frozen water is still water
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Water changes to steam, a gas, when it is heated to its boiling point,water vapor
condenses to form a liquid
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Changing States of Matter-Water
• Water freezes at 0 degrees Celsius, 32 degrees Fahrenheit
• Water boils at 100 degrees Celsius, 212 degrees Fahrenheit
• http://www.chem4kids.com/files/matter_chemphys.html
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Physical Properties—describe matter
• Melting and boiling point (the temperature at which a substance melts or boils)
• State of matter (solid, liquid, gas)
• Density –measures how closely packed an object’s atoms are.
• Density is a measure of how closely packed an object’s atoms are
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Mixtures
• A combination of two or more substances
• The substances in a mixture aren’t permanently combined
• Substances can be separated from the mixture and be the same as they were before they were mixed
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Solutions
• A mixture in which all parts are mixed evenly
• Can be combinations of gases, liquids, and even solids
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Insert video—Matter and Energy-What is It?
• http://ippex.pppl.gov/interactive/matter/molecule.html
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Other Physical Changes
• Breaking• Crushing• Cutting• Bending• Melting• Freezing• Boiling
• Can happen naturally• People can cause
changes– Water evaporating– Rain falling– People cause change
• Recycling paper• Recycling metal
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Chemical Properties and Changes
• Chemical changes change the chemical nature and properties of substances to form new substances– A match burns– Two substances mix together turn a color
different from either of them– Toasting marshmallows
• Melt it—physical change• Burn it—chemical change
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Combustibility-a measure of how easily a substance will burn, or combine rapidly with oxygen
• Corrosion of metal—when iron combines with oxygen in the air, rust forms
• Gas bubbles—hydrogen peroxide on a cut
• A change in color-fireworks
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Conservation of Matter
• Chemical changes don’t make new matter