Revision Chp 1

Which is not importance of science in everyday life?

• Discoveries of vaccines and antibiotics

• Invention of satellites, computers, smart phones and other communication tools

• Faster, safer and more comfortable transportation and roads

• Reduce our quality of life and standard of living

Biology is study of

• characteristics of matter and energy

• rocks, soils and minerals

• weather and climate change

• living things

Used to measure the volume of liquids

• Beaker

• Filter funnel

• Measuring cylinder

• Retort stand and clamp

Symbol for EXPLOSIVE

• 
• 
• 
• 

Example of base quantity

• Time

• Speed

• Area

• Volume

Standard form for kilo

• 10⁹

• 10³

• 10⁶

• 10^-1

Convert the values below.
3500 g = __________ kg

• 0.35

• 3.5

• 35

• 350

What is the reading of the vernier caliper?

• 0.04 cm

• 0.20 cm

• 0.24 cm

• 0.34 cm

What is the actual reading of the vernier calipers?

• 0.23 cm

• 2.03 cm

• 0.20 cm

• 2.30 cm

What is the reading of the micrometer screw gauge?

• 3.45 mm

• 2.50 mm

• 2.69 mm

• 2.96 mm