1.4 Light Waves

Australia gets ​ (a)   amount of sunlight as Brazil.

• the same
• a smaller
• a larger

Australia has ​ (a)   skin cancer rate than Brazil.

• a higher
• the same
• a lower

Why is the skin cancer rate so high in Australia? (select all possible reasons)

• Australia gets more sun than other places

• Something about the sunlight Austria gets is different than the sunlight in other places.

• Australia gets less sunlight than other places.

• More people in Australia have skin that can be damaged by the Sun.

Why does light from Sun cause skin cancer?

• it reflects off people's skin

• It is transmitted through skin

• It is absorbed by skin, and the energy causes genetic material to change

• It is absorbed by skin, and the energy causes genetic material to stay the same.

True or False: Light waves cause all materials to change.

• True

• False

Light can cause material to change by...

• increasing the materials thermal or kinetic energy

• change the materils color

• causing damage

• all are correct

When light hits and object it can

• be absorbed by the object

• bounce off the object

• pass through the object

• all are correct

How are you feeling in this moment/ today?

• Red

• Yellow

• Blue

• Green

Is there something you'd like to share with me today? (positive or negative)

Rate yourself on how well you meet the expectations we agreed on in our class charter: Respect, Inspire, supportive, unique, voice, honesty, ready to learn, diverse, guidance

• 1: oops I need to work on this

• 2: I meet expectations a little, but could try harder

• 3: I meet expectations for most of class today

• 4: I meet expectations all class today