F.
1 Integrated Science
Unit 1.1-1.3 Online Test
Total mark: 10 marks
1. Which of the following is NOT a scientific invention?
A. B. C. D.
Light bulbs Fireworks Pills Lightening
2. Household bleach (漂白水) is corrosive. Which of the following symbols should be attached to its
container?
A. B.
C. D.
3. In the past, people thought that Mars was a dry and dusty planet. NASA has sent rovers (探測器) to
Mars since the 1960s to take pictures of Mars surface. In 2012, NASA used better equipment and
observed some special patterns on the rocks on Mars. Scientists believed that the patterns were caused
by flowing water, showing that there might once be life on Mars.
Photo showing special patterns Drawing of the rover landed
on the rocks on Mars on Mars in 2012
(Photo credit: NASA/JPL-Caltech/MSSS) (Photo credit: NASA/JPL-Caltech)
From the exploration of Mars, we can tell that
(1) scientific investigation is an ongoing process.
(2) science is affected by the technology and equipment available at the time.
(3) scientific knowledge is subject to change.
A. (1) and (2) only B. (1) and (3) only
C. (2) and (3) only D. (1), (2) and (3)
4. Geology is the study of
A. the composition, properties and reactions of substances.
B. living things.
C. the stars and the universe.
D. rocks that make up the Earth’s surface.
5. Which of the following is / are scientific discoveries?
(1) John Logie Baird developed the first television system in 1926.
(2) Scientists found 700 new species of living things down in the Weddell Sea off Antarctica in
2007.
(3) Laszlo Biro made the first ballpoint pen in 1938.
A. (1) only
B. (2) only
C. (1) and (2) only
D. (2) and (3) only
6. Jimmy mixes 50 cm3 of water and 50 cm3 of alcohol in a measuring cylinder. The mixture has a
volume of 96 cm3. In his laboratory report, he stated
‘The volume of the mixture of water and alcohol is less than 100 cm3.’
This statement is
A. a prediction.
B. a hypothesis.
C. an observation.
D. the aim of the experiment.
7. Sandy is doing an experiment to find out how the temperature of a liquid affects the solubility (溶解
度) of sugar. Which of the following is a fair test?
A. B.
water water water tea
25°C 25°C 25°C 25°C
C. D.
water water water tea
25°C 10°C 25°C 10°C
8. Lily would like to know which kind of fabrics is the most waterproof. She carries out a test by pouring
some water onto different pieces of fabrics.
Which of the following correctly identifies the variables in Lily’s test?
Independent variable Dependent variable
A. the volume of water absorbed by the fabrics the speed at which the water is poured
B. the size of the fabrics the volume of water poured
C. the types of the fabrics the volume of water absorbed by the fabrics
D. the types of the fabrics which fabrics is the most waterproof
9. In which of the following cases do we need to use the equipment below?
A. The hand is cut by broken glass.
B. The hair is burnt by the Bunsen flame.
C. Some chemicals get into the eye.
D. The face is splashed with some chemicals.
10. Which of the following gases in the jar supports the burning of the candle?
A. Nitrogen
B. Oxygen
C. Carbon dioxide
D. Water vapour
***End of paper***
