Day 4: October 29/30Day 4: October 29/30

Objective: SWBAT link kinetic theory of Objective: SWBAT link kinetic theory of matter to changes of state.matter to changes of state.

Homework: finish vocab flap-book; page Homework: finish vocab flap-book; page 39 summary39 summary

Warm up: How long would it take to count Warm up: How long would it take to count 1 billion one-dollar bills?1 billion one-dollar bills?

AgendaAgenda

Return quizzesReturn quizzesShare homework ideasShare homework ideasDemonstrations - evidence of KTMDemonstrations - evidence of KTMPhase changesPhase changesPhase change independent practice Phase change independent practice

instructionsinstructionsPhase change IP work-timePhase change IP work-time

Glue in your gradesGlue in your grades

Notebook check on second to last pageNotebook check on second to last pageFlap door next to other notebook checkFlap door next to other notebook check

Quiz onto page 33Quiz onto page 33Half hamburger foldHalf hamburger foldGlue on line printed on the back!Glue on line printed on the back!

DemonstrationsDemonstrations What is plasma?What is plasma?

LighteningLightening Plasma novelty lightPlasma novelty light

Hear the KTMHear the KTM Bouncy balls in the water jugBouncy balls in the water jug The more energy, the more the molecules bounces aroundThe more energy, the more the molecules bounces around Never silent because they’re always movingNever silent because they’re always moving

DiffusionDiffusion food coloring in hot water v. cold waterfood coloring in hot water v. cold water

ExpansionExpansion Gas – balloon in flaskGas – balloon in flask Solid – ball through ringSolid – ball through ring Solids – bi-metallic strip bendingSolids – bi-metallic strip bending

Prior KnowledgePrior Knowledge

What are phase changes?What are phase changes?

What are phase changes that we know?What are phase changes that we know?

Onto the notesOnto the notes

Matter changes from one state to another Matter changes from one state to another as it gains more energy – as it gains more energy – usuallyusually in the in the form of heatform of heat

What happens to the particles in What happens to the particles in something when there is more energy?something when there is more energy?

The phase change triangleThe phase change triangle

1.1. Skip four lines from bottom of last thing Skip four lines from bottom of last thing written on page 39written on page 39

2.2. Measure 3 cm to right of black line on Measure 3 cm to right of black line on page. Mark point.page. Mark point.

3.3. Draw a vertical line 5 cm long from Draw a vertical line 5 cm long from marked point (8 lines on the paper)marked point (8 lines on the paper)

4.4. Draw the sides of the triangle 5 cm long. Draw the sides of the triangle 5 cm long. They will touch at the printed line on the They will touch at the printed line on the paper if drawn rightpaper if drawn right

The phase change triangleThe phase change triangle

Label this diagram “Illustrating how Label this diagram “Illustrating how changes in energy affect the state of changes in energy affect the state of matter”matter”

Make a legend to the right side of the Make a legend to the right side of the triangle. Two colors, one “hot” and one triangle. Two colors, one “hot” and one “cool” “cool” Endothermic Endothermic

ExothermicExothermic

Gas

Liquid

Solid

Melting

Freezing

Su

blim

ation

Evaporation

Condensation

Endothermic

Exothermic

Low Energy

High Energy

Phase change vocab flapsPhase change vocab flaps

1.1. This will be pasted on bottom of 38This will be pasted on bottom of 38

2.2. Take sheet of notebook paperTake sheet of notebook paper

3.3. Fold in half hot dog styleFold in half hot dog style

4.4. Fold hamburger style.Fold hamburger style.

5.5. Repeat step 4.Repeat step 4.

6.6. Fold hot dog style.Fold hot dog style.

7.7. On one side, cut each fold line halfway to On one side, cut each fold line halfway to make flaps down the pagemake flaps down the page

WORD

DEFINITION

Phase change flipperPhase change flipper

1.1. Phase ChangePhase Change2.2. EndothermicEndothermic3.3. ExothermicExothermic4.4. EvaporationEvaporation5.5. CondensationCondensation6.6. MeltingMelting7.7. FreezingFreezing8.8. SublimationSublimation Make your own definitions using the diagram and info Make your own definitions using the diagram and info

presented in classpresented in class Example:: Melting –energy is added to the substance Example:: Melting –energy is added to the substance

as it changes from solid to liquidas it changes from solid to liquid