FOCUS ON PHYSICAL SCIENCE (4)

... answers to your questions? Write your questions and answers in a chart similar to the one below Questions Answers The Wheels on the Bike Go Round and Round by Laurence Howard One of the vocabulary words ... the back one Why? Making one turn of the pedals equaled one circle of the front wheel The larger the front wheel, the farther you could travel on one...

Ngày tải lên: 24/04/2017, 15:43

... skyscrapers There are four stages in the construction of a new building In the first stage, the ground is prepared and the foundation is laid Next, workers build the frame of the building Then the frame ... building Let’s see some of the machines we might find on a construction site The can opener is a complex machine Construction Site Construction of new buildin...

Ngày tải lên: 26/04/2017, 10:16

Ngày tải lên: 03/10/2012, 15:19

... large mechanism and entails difficulty in construction Therefore, HIRO and HIRO II+ have high reduction mechanisms and require a 88 Sensors, Focus on Tactile, Force and Stress Sensors force sensor ... 90 Sensors, Focus on Tactile, Force and Stress Sensors DOF The first joint, relative to the hand base, allows abduction/adduction The second joint and...

Ngày tải lên: 21/06/2014, 20:20

Ngày tải lên: 02/07/2014, 12:21

Ngày tải lên: 02/07/2014, 13:20

Ngày tải lên: 12/08/2014, 11:20

Ngày tải lên: 12/08/2014, 12:20

... (right) for the terrain in Figure 4. 5  64 Lighting Terrain Figure 4. 5 The terrain created from the heightmap and lightmap in Figure 4. 4 complicated—but good looking—global illumination techniques ... color of our light Now check out demo4_1 (on the CD under Code\Chapter 4\ demo4_1) and Figure 4. 2 If you need a refresher on the demo’s controls, check out Table 4. 1 ucShade...

Ngày tải lên: 12/08/2014, 17:20

... show this radiation This is called thermographic imagery Thermographic images show changes in surface heat Different levels of heat show up as different colors Blue shows coldest area Red shows ... the United States It’s more than 2 04 kilometers (127 miles) long When volcanoes erupt, they can shoot hot lava high into the air In volcanic eruptions, red -hot lava bursts from deep inside Ea...

Ngày tải lên: 26/04/2017, 10:14

... and south magnetic poles, just as it does between South Pole the poles of a bar magnet Earth has two kinds of poles Earth’s magnetic poles are different from its geographic poles Geographic north ... one magnet is drawn to the north pole of another magnet Opposite poles attract Two south poles push away from each other Similar poles repel S N N S The maglev train makes use of m...

Ngày tải lên: 26/04/2017, 10:15

... guess what’s in store for the future of moviemaking One thing we can count on is that the science behind moviemaking will keep developing and changing to make movies even more entertaining 22 23 ... Movies How a projector works A modern film projector in a movie theater uses very powerful electric lamps to generate light The projector uses sprockets to push and pull the film, just as a m...

Ngày tải lên: 26/04/2017, 10:15

... scientists today Newton s study of gravity has made rides such as roller coasters possible Isaac Newton Isaac Newton was born at Woolsthorpe Manor in England on January 4, 1 643 Newton was a clever ... theory of gravity, what are some of Sir Isaac Newton s other achievements? What are Newton s three laws of motion? What is the difference between weight and mass? Newton studie...

Ngày tải lên: 26/04/2017, 10:15

... 13 12 11 10 09 08 07 06 05 What is matter? Properties of Matter Matter is anything that has mass and takes up space All living and nonliving things are made of matter Scientists use the properties ... clip 32 mm Thickness of a CD case cm or 10 mm Height of a doorknob from the floor meter Length of a school bus 12 meters Length of 44 0 blue whales placed end to end 11...

Ngày tải lên: 26/04/2017, 11:28

... cancer 14 15 Color and Light How light and matter interact? Light and Matter Light rays can pass through an object They can reflect off the object They can also be absorbed by the object Light ... produce a tone 10 11 What is light energy? Sources of Light Light is a form of energy, just as sound is Light can come from different sources, such as the Sun, a firefly,...

Ngày tải lên: 26/04/2017, 11:29