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WorksheetsScience Quiz
Total questions: 20
Worksheet time: 10mins
Trace the energy transformation when the flashlight is on.
A. chemical -light - electrical
B. chemical - electrical - light
C. electrical – chemical - light
D. electrical - light - chemical
Which is NOT an effect of increased urbanization?
A. increase of flooding
B. increasing volumes of solid wastes
C. decrease of wetlands
D. preservation of natural habitats
The volume of a gas is inversely proportional 600 cm. Find the pressure when the volume is 250 cm.
A. 12.5 cm of mercury
B. 28 cm of mercury
C. 72 cm of mercury
D. 65 cm of mercury
Children in upland places are found affected by goiter. Which of this situation may help this group of children?
A. Add iron to diet
B. Expose the children to ultraviolet rays
C. Add iodized salt to diet
D. Add iodine drops to diet
Which of the following conditions regarding the positions of the earth, moon, and the sun could possibly result to a solar eclipse?
A. The sun is between the earth and the moon.
B. The moon is between the sun and the earth.
C. The earth is between the sun and the moon.
D. The earth, moon, and son are at right angles to each other.
Why are green plants considered autotrophs?
A. They can build any kind of substances.
B. They depend on other sources for their food,
C. They have many pigments that capture light
D. They can build simple inorganic substances into complex organic substance.
What do you call the point in the orbit of a planet when it is farthest from the sun?
A. Apogee
B. Perigee
C. selective hunting
D. cyanide fishing
The following practices promote sustainable development EXCEPT
A. reforestation.
B. recycling
C. Selective Hunting
D. Cyanide fishing
Which of the following events is predicted to be a result of global warming?
A. Thinning ozone layer
B. Rising ocean level
C. more severe earthquakes.
D. larger volcanic eruptions
Which of the following is the correct level of organization of living things from complex to simple?
A. cell, organ, organism, organ system, tissue
B. cell, tissue, organ, organ system, organism
C. organism, organ system, organ, tissue, cell
D. tissue, cell, organ, organ system, organism
What will be formed when radium isotope with 88 protons and 138 neutrons undergoes alpha decay?
A. Actinium Atom (Ac) with 89 Protons
B. Radon Atom (Rn) with 86 Protons
C. Francium Atom (Fr) with 87 Protons
D. Thorium Atom (Th) with 90 Protons
What is the correct order of steps in scientific method?
A. gather data, formulate hypothesis, have a question, develop method, draw conclusions,
B. formulate hypothesis, have a question, draw conclusions, gather data, develop method.
C. have a question, formulate hypothesis, develop method, gather data, draw conclusions.
D. develop method, have a question, formulate hypothesis, draw conclusions, gather data.
Which of the following statements is NOT TRUE of energy in the biosphere?
A. Energy flows a one-way path.
B. Energy is conserved in biosphere.
C . Energy follows a cycle through the web of life.
D. Energy leaves the living system in the form of heat.
Which of the following scenarios is an example of physical change?
A. burning metal
B. changing of iodine crystals into a violet gas
C. formation of two gases during electrolysis of water.
D. formation of a black solid from heated iron and sulfur.
Good weather usually prevails in a high pressure area. This is because the descending air which characterizes a high pressure area
A. cools and increases its capacity to hold water vapor.
B. warms and increases its capacity to hold water vapor. water vapor.
C. warms and reduces its capacity to hold
D. cools and reduces its capacity to hold water vapor.
What type of solar radiation is effectively absorbed by ozone layer of the Earth's atmosphere?
A. gamma
B. infrared
C. ultraviolet
D. x-ray
Which of the following devices best applies the concept of magnetism exerts a force on electric current?
A. electric generator
B. electric motor
C. magnet
D. transformer
In which layer of the atmosphere do all the weather changes happen?
A. mesosphere
B. stratosphere
C. thermosphere
D. troposphere
Which law of force and motion explains this occurrence, when a rocket is propelled upward by the powerful downward discharge of exhaust gases?
A. acceleration
B. inertia
C. action and reaction
D. universal gravitation
How is the conservation of mechanical energy described in the falling object?
A. A falling object loses kinetic energy and gains potential energy.
B. A falling object loses kinetic energy and loses potential energy..
C. A falling object gains kinetic energy and gains potential energy.
D. A falling object gains kinetic energy and loses potential energy.
