Unformatted text preview: Visual Aids & Teaching
Proper Use & Application Purpose of Visual Aids
• Time Saver
• Gain & Hold Student Interest
• Increase Understanding &
• Stimulate the Development of
Understanding & Attitudes.
Understanding Effective Use of Visual Aids
• The Aid Must Have a Clear Purpose
Preview Visual Aids
Introduce the Visual Aid
Show Aids Under Good Conditions.
Discuss the Visual Aid
Apply what the Aid Teaches to the
• Hide the Aid After Use - If Possible Visual Aid Levels
• Drawing of an Object
Picture of an Object (Color?)
Animation or Model of an Object
Are there times that one might be
better than others?
better Traditional Visual
Aids Chalkboard / Dry Erase
• Chalkboard: Writing & Erasing
– Tools: Colors, Magnetic, etc.
– Advantages & Disadvantages:
• Traditional but messy • Dry Erase Board: Writing &
– Tools: Colors, Magnetic, etc.
– Advantages & Disadvantages
• Cleaner, More Versatile, but Requires
Special Slide Projector
• Common Uses of Slide Projectors:
– Used to show specialized slides • Primarily replaced by the advent
of the digital camera and Power
Point coupled with LCD projectors
and a laptop.
and Overhead Projector
• Commonly Used In College Classrooms.
Using the Overhead Projector:
– Hide & Slide – Not allowing students to
see what is coming. Keeps students from
writing ahead if the text below is covered.
– Great for showing photocopied pictures.
– Requires special pens. • Common Overhead Problems:
– The Machine
• Tends to break or burn bulbs – The Transparency
• Can be messy or cause trouble with a copy
machine if the right type is not used.
machine – Can be messy! Photographs
• Common Uses of Photos:
– Show what cannot be viewed in a
– Show what may be too large or small
to see with the human eye.
– Show historical view points. • Using Photos as Visuals:
– A picture is worth a thousand words! Specimens
• The “Native” Teaching Aid
– Why are they so good? They are the
real thing! (A leaf is better than a drawing
of a leaf or a picture of a leaf!)
of • Types of Specimens:
– Real-world items and modified realworld items.
– A frog that is dissected becomes a
modified real-world item, hence
becoming more beneficial to the
student because the student can view
the internal systems.
the • Using Specimens
– Specimens must be colleted, stored
and maintained, which can be
cumbersome. However, they tend to
be very beneficial to student learning.
be Posters, Charts, Graphs, &
• Common Uses:
– Self-directed student learning.
Learning Themes. • Sources of Posters, Charts,
Graphs, & Maps:
– Keep your eyes open, these are found
• Newspapers, Companies, Commodity
Groups, Government Agencies, etc.
• Common Models:
– What type of topic requires models?
• Hard to find specimens
• Illegal, immoral, dangerous, etc.
specimens. • Model Characteristics:
– Can be constructed.
– Can be purchased, but tend to be
expensive. Modern Visual Aids Video/DVD
• Using a Video/DVD:
– Preview the film
Determine student’s expectations
Introduce the film
Show in a favorable environment
Properly arrange the room
Do not leave the room
Review & Evaluate Video/DVD Cont’
• When do you use this type of
– Preview a topic, Unattainable field
trip, • Why don’t you use this type of
– If the actual resource is available
– Questionable content.
– To kill time. Power Point®
• You are the presenter who is
giving a presentation!
The Power Point is not the
presentation. • Power Point is only a tool in
• Try to utilize a number of visual
elaborations, both inside and
outside of Power Point.
outside You Are the
Presentation! Power Point®
• Do not read to your audience.
– Rather, paraphrase what is said
in each point or sentence.
– You may want to have short
phrases rather than sentences
in order to resist the
– But, Students Won’t Take Notes
Unless You Prompt Them To! Don’t Insult
Intelligence! Power Point®
Use your Power Point Rules Don’t Annoy
All of These Can
Aggravating! Power Point®
• Advantages &
– Great if used as a true tool, an
elaboration, or as an aid.
– Can make a good teacher bad
or a bad teacher worse if Power
Point becomes a crutch, or
notes placed on slides that are
read “Power Point
can be Pointless
and Powerless if
correctly!” Common LCD Projector
• Most laptops and projectors require only
one connection between the two, which
is usually an RGB cable.
Turn the projector on first then the
If the picture will not display try the
– On the projector: Check all connections
and make sure the correct port is
selected, Push the “Source” button until
the appropriate laptop selection is
– On the computer: Most laptops have a
function command that toggles the
screens on an LCD projector. (i.e. – On a
Dell laptop, you hold down the Function
(Fn) button while pushing F8. If you do
this three times it will toggle through all of
the CRT/LCD view selections. Do this
until you find the view you like.
until Smart Equipment
• SMART Boards and Sympodiums
are common in many of the most
• To learn more about SMART
technologies click on this link.
link Utilizing Common
Teaching equipment ...
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- Spring '09
- Overhead projector, Projectors, Slide projector