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ASMO Science 2022 - Level 2 (Grade 5-6) - School Round

Question 1

Petroleum was formed from
  1. dead plants in swamps.
  2. rocks under high pressure and heat.
  3. very large organisms living in the sea.
  4. small organisms living in the sea.
  5. None of the above.

Question 2

We suck sweets when we are flying in an aeroplane, so that
  1. the vibration of the ear drum is reduced.
  2. the air pressure on both sides of the ear drum are equalised.
  3. the temperature in the mouth and in the cabin is equal.
  4. the noise of the aeroplane is not conducted to the ear.
  5. None of the above.

Question 3

Metals have high densities. One reason for this is that
  1. the atoms in metals are very closely packed.
  2. the atoms in metals are very big.
  3. metals have very high boiling points.
  4. metals store heat energy and electrical energy.
  5. None of the above.

Question 4

Roads built of cement have gaps across them. The gaps are meant for
  1. expansion of the cement on hot days.
  2. creating friction to make the roads less slippery.
  3. water to flow away from the roads.
  4. making work easier and faster during construction.
  5. None of the above.

Question 5

A whale washed ashore cannot return to the sea on its own. Which of the statements below best explains this?
  1. It quickly becomes dehydrated.
  2. It loses its energy without water.
  3. It cannot breathe on land.
  4. Its skeleton cannot support the weight of its body.
  5. None of the above.

Question 6

A cup of black coffee cools faster than a cup of coffee with milk. This is because black coffee
  1. reflects heat better.
  2. absorbs less heat.
  3. radiates heat better.
  4. conducts away more heat.
  5. None of the above

Question 7

Which energy converter wastes the most energy in the form of heat when it is in use?
  1. A bicycle dynamo
  2. A filament bulb
  3. A dry cell
  4. An electric fan
  5. None of the above

Question 8

Carbon dioxide released from factories in large quantities can cause the following, except
  1. air pollution.
  2. acid rain.
  3. green house effect.
  4. thinning of the ozone layer.
  5. None of the above

Question 9

Which of the following methods does not help to reduce air pollution?
  1. Build tall chimneys for factories
  2. Use catalytic converters on motor vehicles
  3. Use animals to kill pests instead of pesticides
  4. Burn rubbish in big open areas
  5. None of the above

Question 10

The system responsible for absorbing oxygen into the body is
  1. the respiratory system.
  2. the reproductive system.
  3. the excretory system.
  4. the nervous system.
  5. None of the above

Question 11

Platelets are important because they help
  1. to carry oxygen to the cells.
  2. to remove waste products from the cells.
  3. the blood in a wound to clot.
  4. the blood to flow through narrow capillaries.
  5. None of the above

Question 12

Which of the following processes produces carbon dioxide in the blood?
  1. Excretion
  2. Digestion
  3. Cell respiration
  4. Mineral absorption
  5. None of the above

Question 13

Our sweat usually contains the following, except
  1. hormones.
  2. mineral salts.
  3. urea.
  4. heat.
  5. None of the above

Question 14

A leaf to be tested for starch has to be boiled in alcohol. Why is this done?
  1. To soften the leaf
  2. To remove the chlorophyll
  3. To kill the cells of the leaf
  4. To dissolve the cell walls
  5. None of the above

Question 15

What excretory product is formed during photosynthesis?
  1. Starch
  2. Oxygen
  3. Mineral salts
  4. Carbon dioxide
  5. None of the above

Question 16

Alkalis turn litmus paper from red to ____________.

Question 17

An acid has pH values of less than ____________.

Question 18

Elements can be classified into metals and ____________.

Question 19

Petroleum, natural gas, and coal are ____________ fuel resources. Once used up, they cannot be replaced.

Question 20

Air is easily compressed so it is pumped into motor car ____________ to be used as wheels.