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WEATHER UNIT
Evaporation vs. Condensation
Click here to  explore the difference
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SCIENCE
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Transcript

SCIENCE

Cool!

Click here to explore the difference

Evaporation vs. Condensation

WEATHER UNIT

Evaporation

watch as this water drop evaporates

IWhat phase change is happening?

liquid to gas

OR

gas to liquid

We will be observing how heat impacts evaporation

We will place ONE drop of water on a paper towel that is kept at room temperature. We will place ONE drop of water on a paper towel that is kept at body temperature. What is the INDEPENDENT VARIABLE in this experiment? (changing on purpose)

temperature

amount of water

type of towel

HOT

Skin temperature is the temperature of the outermost surface of the body. Normal human skin temperature varies between 33.5 and 36.9 °C (92.3 and 98.4 °F)

DID YOU KNOW

NEXT

We are using our skin to heat water today!

DID YOU KNOW

NEXT

Room temperature is around 20–22 °C (68–73 °F)

One eye-dropper

+ YES

Do you have...

materials

Cup of water

Small pieces of paper towel

Pencil

Your notebook

Evaporation lab

1. Take two pieces of paper towel out of the bag.2. Label one HEAT and the other NO heat.

To make sure everyone can see...Your group should create 2 set-ups of this experiment! (so 2 heat and 2 no heat)

Click the paper towels in the picture when you are set up.

3. Use the dropper to put ONE drop of water on each paper towel.

ONLY ONE on each!

Next

one drop

one drop

add heat

Wrap the paper towel labeled heat, firmly around your arm. Hold it there and do not let go!

Place the NO heat papertowel on the lab table.

CONTINUE

heat

skin temp is around 98*F

04:00

WAIT and OBSERVE

Sort the cards into two piles while you wait.

check your work

Evaporation

Condensation

liquid to a gas

gas to a liquid

CONTINUE

energy is gained/added (heat)

energy is removed (cooled)

do you see what I see?

How did heat impact evaporation rate?

heat decreased the evaporation

heat increased the evaporation

heat did not impact the evaporation

rremove the paper towel from your arm and compare it to the one on the counter.

Add to your chart

evaporation

condensation

liquid to a gas

gas to a liquid

energy is gained/added (heat)

energy is removed (cooled)

increasing the heat energyincreases the rate of evaporation

draw

write

click here when your notebook is complete

clean up

Put used paper towels in the garbage

Make sure your bin looks like this

Our table is clean and our bin looks like this!

evaporation adds water vapor to the air.

WOW

+ info

Click a water vapor particle

Click where water the water molecules are cooling and clumping together to form droplets.

cooling

condensation

watch as water vapor from the air condenses and forms drops on the glass

IWhat phase change is happening?

liquid to gas

OR

gas to liquid

We will be observing how COOLING impacts Condensation

We will place ice on top of a warm cup of water in this experiment. We will also have a warm cup of water without ice on top. What is the INDEPENDENT VARIABLE in this experiment?

cooling/not cooling the air above the water

changing the amount of water in each cup

Using different liquids in the cups

Set up!

4 plastic cups

1/2 cup warm water(equal in both)

NO ice cube

then click here to start the timer.

one ice cube

Set up your lab exactly like this picture-

03:00

WAIT and OBSERVE

Sort the cards into two piles while you wait.

check your work

Evaporation

Condensation

liquid to a gas

gas to a liquid

CONTINUE

energy is gained/added (heat)

energy is removed (cooled)

While you wait, use the magnifying class to observe what you see happening in the cups!

Time to carefully remove the ice cube and put it in the closest sink.

Observe the condensation that formed at the top of both cups. What do you notice?

CONTINUE

Do you see what I see?

Click on the cup with lots of condensation to move on.

+ info

MAGIC

Add to your chart

evaporation

condensation

liquid to a gas

gas to a liquid

energy is gained/added (heat)

energy is removed (cooled)

cooling increases the rate of condensation

draw

write

click here when your notebook is complete

increasing the heat energyincreases the rate of evaporation

clean-up

Make sure your bin looks like this

Our table is clean and our bin looks like this!

1. Bring your journal to a teacher to be graded for effort, completeness and neatness!

NICE WORK!

WOW

2. Click here when your journal has been checked.

CONTENT

20XX-20XX

With Genially templates, you can include visual resources that’ll engage the class from the word go. Highlight key content to help students assimilate it and even embed external content that will surprise them and provide more context for the topic: videos, photos, audios ... Whatever you like!

COntextualize your topic

CONTENT

TOP

20XX-20XX

We are in the age of the digital information boom. As a result, the way we obtain information has changed from traditional reading to a cognitive strategy based on navigation.

COntextualize your topic

CONTENT

+ info

20XX-20XX

We generally grasp visual content better. Visual content is associated with cognitive and psychological mechanisms. We receive information through our eyes; the first image is what counts. We associate visual content with emotions.

♫♫

COntextualize your topic

CONTENT

???

COntextualize your topicwith a subtitle

QUIZ

♥100

Creativity

20XX-20XX

01/05

QUESTION

20XX-20XX

02/05

QUESTION

Interactivity

20XX-20XX

03/05

QUESTION

Design

20XX-20XX

04/05

QUESTION

Multimedia

20XX-20XX

05/05

QUESTION

Yeah!

Here you can include a text to congratulate and wish your class luck at the end of the quiz.

CONGRATULATIONS!

20XX-20XX

Don’t forget to LOOK at the paper towelsssss!

Which one was heated?Which one evaporated first?

THINK ABOUT IT

when water evaporates

LIQUID

GAS

MOVE ON

DESIGN

MAGIC

WOW

wow

UP!

♥100

UP!

NICE!

DESIGN

wow

WOW

MAGIC

DESIGN

wow

♥100

Did you know?Windows allow you to add more extensive content. You can enrich your genially by including PDFs, videos, text ... The window content will appear when you click on the interactive element.

COntextualize your topic

TITLE HERE

Did you know? We retain 42% more information when the content has movement. It may be the most effective resource for capturing your students’ attention.

Add this information to your journal t-chart.

Did you get it right?

With this feature ...You can add additional content that will excite your students’ brains: videos, images, links, interactivity ...Whatever you like!

COntextualize your topic

TITLE HERE

Did you know? We retain 42% more information when the content has movement. It may be the most effective resource for capturing your students’ attention.

The cup with the ice has more condensation drops on the inside than the cup without the ice!

increases the rate of condensation

Cooling

MORE droplets of water show that the water vapor trapped in the cup stuck to the roof of the cup and condensed into water drops. Cooling = more condensation!

The cup with NO ICE has less condensation in the cup as compared to the cup with the ice!

WATCH THIS VIDEO ABOUT CONDENSATION

Did you get it right?