welcome to... a game of x’s and o’s. a presentation © 2000 - all rights reserved
TRANSCRIPT
Welcome to...
A Game of X’s and O’s
7 8 9
4 5 6
1 2 3
7 8 9
4 5 6
1 2 3Scoreboard
X
O
Click Here ifX Wins
Click Here ifO Wins
1
What does absorb mean?
1
It means to “soak up” or take in depending on their colour.Home
2
What is an artificial light source? Give an example.
2
It is a light source created by humans. An example would be a candle.Home
3
What is a natural light source? Give an example.
3
It is a light source that is not created by people. An example would be the Sun.
Home
4
Define opaque material.
4
A material that does not allow any light through. Home
5
What does reflect mean?
5
To cast light and bend it back in another direction, like a mirror.
Home
6
What is a shadow?
6
If you place an opaque material in front of a light source, the light beam cannot bend around the object
and an area of darkness-a shadow- is created.
Home
7
What are translucent materials?
7
They are materials that allow some light to pass through. Clear images cannot be
seen through the materials.
Home
8
What does the word transmit mean?
8
To allow light to pass through space or medium (e.g. light passing through a
coloured filter. ) Home
9
What are transparent materials?
9
Materials that allow most light to pass through easily. Clear images can be seen through the
materials.
Home