Transcript Matter power point
Take out a sheet of paper and a pencil, please. I will give you 1 minute to write down everything in this room that is
MATTER
. Ready…set…GO! Now, turn your paper over. I will give you 1 minute to write down everything in this room that is
NOT MATTER
. Ready…set…GO! © LoveLearning 2014
Solids
• In solids: • Particles only vibrate • Particles cannot move from their position • Fixed volume, fixed shape © LoveLearning 2014
Liquids
• Liquids: • take the shape of their container • Particles move enough to slide past each other • Fixed volume, no fixed shape © LoveLearning 2014
Gases
• Gases: • Gases are located everywhere • The particles bounce freely and rapidly • Fill a container no matter what shape • No fixed volume, no fixed shape © LoveLearning 2014
Changing States
• Matter can change state if you raise or lower the temperature • • • • • Solid to a liquid: melting point Liquid to a solid: freezing point Liquid to a gas: boiling point Gas to a liquid: condensation Solids to a gas: sublimation http://www.harcourtschool.com/activity/states_of_matter/ http://studyjams.scholastic.com/studyjams/jams/science/matter/s olids-liquids-gases.htm
© LoveLearning 2014
Bill Nye – States of Matter
http://www.schooltube.com/video/ea7dae4437c240958f92/Bill%20Nye%20Th e%20Science%20Guy%20Phases%20of%20Matter © LoveLearning 2014
Observing Parts of Matter
•
Some things are too small to see with your eyes alone
• You have to magnify the parts • What kind of tools can you use to magnify objects? © LoveLearning 2014
Observing Parts of Matter
Microscope Hand Lens © LoveLearning 2014
Mass
• The mass of an object equals the total mass of its parts • Mass is NEVER lost! It just changes form (solid, liquid, gas)
Mass
If the apple has a mass of 40 grams, how much mass will HALF of the apple have? 20 grams!
© LoveLearning 2014
Think – Pair – Share
When a log burns, it forms ashes and releases smoke and gases into the air. How could a scientist use a balance scale to figure out the mass of the smoke and gases? © LoveLearning 2014
Volume
• Volume: the amount of space something takes up • Measured in two ways: Length x width x height Water displacement
Weight
• Weight: the force of gravity between Earth and an object • http://www.brainpop.com/science/matterandchemistry/measuringm atter/ © LoveLearning 2014
Density
• Density tells us how tightly packed particles are in an object • Density is measured by: mass divided by volume © LoveLearning 2014
Density
• If an object floats, it is LESS dense than a liquid (object has FEW particles) • If an object sinks, it is MORE dense than a liquid (object has MANY particles) © LoveLearning 2014
© LoveLearning 2014
Density
Remember: • If an object floats, it is LESS dense than the liquid • If an object sinks, it is MORE dense than the liquid http://www.sciencejoywagon.com/explrsci/media/density.htm
© LoveLearning 2014
© LoveLearning 2014
Extra Experiment
• • • • • •
Materials
For the Salt Water Egg experiment you will need the following materials: Table salt Two containers Tablespoon Tap water Two raw eggs • • •
Procedures
Fill the two containers with tap water.
Add about 6 tablespoons of salt in one container and stir it well with a tablespoon until the salt has completely dissolved in the water.
Place one egg in each of the containers and observe which one of the eggs float in the container and which one sinks.
© LoveLearning 2014
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