Section A ( 6 X 2 marks ) For each question from 1 to 6, four options are given. One of them is the correct answer. Make your choice (1, 2, 3 or 4) in the brackets provided.
1. Which of the following is NOT a source of light? (1) Lamp (2) Star (3) Moon (4) Glow worm ( ) 2. A thermometer is used to measure ________________. (1) Heat (2) Light (3) Sound (4) Temperature ( ) 3. Joan placed some ice into a glass of hot tea. Which of the following statements is correct? (1) There is no transfer of heat between the hot tea and ice. (2) The ice has gained heat from the hot tea and so melts faster. (3) The ice has lost its coldness to the hot tea and so melts faster. (4) The hot tea has lost heat to the ice and so there is an increase in the temperature of the tea. ( )
4. Which one of the following statements is true about living things? (1) All living things do not die. (2) All living things can grow and reproduce. (3) All living things do not respond to changes around them. (4) All living things need air, food, water and sunlight to stay alive. ( ) 5. Sam classified the group of animals below as birds. He has made a mistake. Which animal should Sam remove from the group?
(1)
(2)
(3)
(4)
( )
6. Jude set up an experiment as shown below.
screen
Torch Ball
When the torch was switched on, Jude observed a shadow of the ball formed on the screen. If Jude moves the screen further away from the ball, what will happen to the shadow? (1) (2) (3) (4)
The shadow will disappear The shadow will become smaller The shadow will become bigger There will be no change in the size of the shadow ( )
For questions 7 to 9, write your answers in the spaces provided. ( 12 marks ) ____________________________________________________________________________________
7. Fill in each blank with a suitable word. (3 marks) (a) The Sun is our ____________ source of heat and light. (b) We can see objects when they ____________ into our eyes. (c) A ____________ material only allows light to pass through it partially. 8. Jane set up an experiment to find out which container of different materials, P, Q ,R or S is most suitable to be used as a lunch box that could keep her food warm over a longer period. She poured equal volumes of hot water of temperature 80 °C into each of the four containers, and closed the lids. After 10 minutes, she measured and recorded the temperature of the water in each of the container as shown in the table below. Container Temperature of water after 10 mins
P
55°C
Q
76°C
R
68°C
S
73°C
a) From the results of the experiment, which container is most suitable to be used as a lunch box? (1 mark) b) Give a reason for your choice in (a). (1 mark)
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9. During a jungle trail, Daniel discovered two unknown animals, A and B. He noted down their characteristics in his Science Journal as shown in the table below. Animals A
• • • • • • • •
B
Characteristics Cold-‐blooded Has scales on its body Breathes through gills Lays eggs in water Warm-‐blooded Has fur on its body Breathes through lungs Give birth to young alive
a) Based on the information given above, name the group of animals, Animals A and B, are likely to belong to. (2 marks) Animal Group A
B
b) State two characteristics of insects. (1 mark) (i) ____________________________________________________________ (ii)
____________________________________________________________
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