Engage USQ findings next What Are Things Made Of?

A beach is made of lots of _____________ What Is A Beach Made Of? A beach is made of lots of _____________

Video: What Are Things Made Of? Zooms into beach to show sand grains. Next slide shows other examples: Lego parrot and brick building. Video: What Are Things Made Of?

Sand grains are the basic building blocks of a beach.

Sand grains are the basic building blocks of a beach.

What are other examples of a big thing being made of little things?

Lego toy Brick building Forest, Cloud, Flock, Mob, Hair, Fur, … Next slide: Magnification activity. Things look different when magnified.

The basic building blocks of a Lego toy are __________________ The basic building blocks of a forest are ________________ The basic building blocks of a ? are ________________

Explore 1 What is magnification? Next slide: Video zoom into sand grain. Shows Si and O atoms.

The boy in this photo seems to have a very big mouth. Does he REALLY have a big mouth? ______________ Can you explain what’s going on? ____________________________ Next slide: Video zoom into sand grain. Shows Si and O atoms.

The magnifying glass makes his mouth LOOK bigger than it really is. Scientists would say that his mouth is the OBJECT, whereas what you see is called the IMAGE. The object is behind the magnifying glass. The image is in front of the magnifying glass. Next slide: Video zoom into sand grain. Shows Si and O atoms.

The image is _____________ than the object. In this case, the image looks about 3 times larger than the object, so we can say that the magnifying power is 3x. Next slide: Video zoom into sand grain. Shows Si and O atoms.

Make Your Own Magnifier Materials 1. Square clear plastic. 2.  75 mm x 50 mm cardboard 3. Scissors.       4. Tape        5. Water 6. Spoon           7. Printed page Next slide: Video zoom into sand grain. Shows Si and O atoms.

6. Look straight down at the printing through the magnifier. Instructions 1.  Cut a 25 mm diameter hole in the centre of the cardboard. 2. Tape the clear plastic over the hole. 3.  Fold down each end of the cardboard about 6 mm OR bridge the cardboard over two parallel pencils. 4. Using the spoon, place one drop of water on top of the clear plastic.  You have now made a magnifier. 5. Place your magnifier on top of some printing. 6.  Look straight down at the printing through the magnifier. 7.  If the printing looks blurry, gently press down on the magnifier until the printing looks sharp. 8.  Look at other objects, like a  leaf or sand grain through the magnifier. Next slide: Video zoom into sand grain. Shows Si and O atoms.

2. Do you think the magnifier has actually made the print bigger? Questions: 1.  How did the print look through the magnifier, compared to the print without the magnifier? ___________________________________________________________________________ 2.  Do you think the magnifier has actually made the print bigger? __________________________________________________________________________ 3.  Choose a letter on the printed sheet and draw it before you look at it through the magnifier, and then after you look at it through the magnifier. Next slide: Video zoom into sand grain. Shows Si and O atoms.

Higher magnification powers Explore 2 Higher magnification powers 30x 100x

What do you think 30x and 100x mean?

30x 100x Materials 1. One 30x LED magnifier*. 2. One 100x magnifier*. 3.  Colour photos. 4. Leaves or flowers. *Available from www.AtomicSchool.com 30x 100x

Instructions 1.  Turn on the 30x magnifier with the little black switch underneath. 2. Place your finger tip very close (less than 1 centimeter) under the bottom of the magnifier. 3.  Place your eye very close to the top side of the magnifier. 4. Adjust the distance between the object (your finger) until the image (what you see) is clear. Be amazed! 5. Place a photo on desk, then look at it through the magnifier. You will need to put the magnifier very close to the photo, and your eye very close to the magnifier. 6.  Turn the 100x microscope on by opening it into a V shape. 7.  Place it on top of the photo and look through the top to see the image. 8.  Turn the dial on the side of the microscope to adjust the focus. 9. Compare the image using the 30x magnifier with the image using the 100x microscope. 10. Look at other objects, such as a leaf or a flower, through the magnifier and microscope.

Questions for 30x magnifier Does your finger look bigger or smaller through the 30x magnifier?   ___________________________________________ Does the magnifier actually make your finger grow bigger? Explain. ________________________________________________________________________________ _________________________________________________________________________________ In the photo, the boy’s skin looks smooth.  Now look through the magnifier and describe how the photo boy’s skin looks.  Draw a picture of what you see. How would you describe the magnified picture? ____________________________________________________________________________________ ___________________________________________________________________________________ Next slide: Video zoom into sand grain. Shows Si and O atoms.

Questions for 100x magnifier Compare the image using the 100x microscope with the image using the 30x magnifier. ___________________________________________________________ Which is more powerful? The 30x magnifier or the 100x microscope? ___________________________________________________________ Next slide: Video zoom into sand grain. Shows Si and O atoms.