Discovery Ed: Air Conditioner -Engineering -Lesson 4 pt1

​Discovery Ed.: Air Conditioner

Engineering Unit

Lesson #1 Anchor Phenomenon

Lesson #2 Water Droplet Formation

Lesson #3 Disappearing Water Droplets

Lesson #4 Ice Formation

Lesson #5 Matter and Energy

​Discovery Ed.: Air Conditioner

Engineering Unit

Lesson #4 Ice Formation

Open Ended

Go to page R24 and define the term:

change of state

Multiple Choice

Complete the sentence using terms from the word banks. You may not use all the terms. You may use some terms more than once.

If the substance is a ______, then you know that the molecules are packed tightly and cannot vibrate.

• gas

• liquid

• solid

Multiple Choice

Complete the sentence using terms from the word banks. You may not use all the terms. You may use some terms more than once.

In a ______, molecules have more space and can move around each other, but they are still in contact.

• gas

• liquid

• solid

Multiple Choice

Complete the sentence using terms from the word banks. You may not use all the terms. You may use some terms more than once.

In a ______, molecules have enough energy to break free from other molecules in the same state and can move as far away as the container allows.

• gas

• liquid

• solid

Multiple Choice

Complete the sentence using terms from the word banks. You may not use all the terms. You may use some terms more than once.

Thermal energy naturally tends to move from objects or substances that are at ______temperatures to objects or substances that are lower temperature.

• higher

• lower

• added

• removed

Multiple Choice

Complete the sentence using terms from the word banks. You may not use all the terms. You may use some terms more than once.

When thermal energy is ______to the solid, the solid turns into a liquid.

• higher

• lower

• added

• removed

Multiple Choice

Complete the sentence using terms from the word banks. You may not use all the terms. You may use some terms more than once.

When thermal energy is ______to the liquid the liquid turns into a gas.

• higher

• lower

• added

• removed

Labelling

Use this information to complete the Cause and Effect Organizer.

Solid - tight molecular structure with very little energy and a low temperature.

Liquid - molecules structure not as tightly together with a little more energy and a warmer temperature.

Gas - molecules are free and bouncing with high temperature and high energy.

Drag labels to their correct position on the image

most energy - gas

liquid

Thermal Energy

solid

more energy liquid