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WorksheetsCambridge Lower Secondary Science Quiz
Total questions: 54
Worksheet time: 1hrs 28mins
1 (b) Write down the name of structure B.
(a)
1 (c) Structure C is an enlarged part of structure B. Write down the name of structure C.
(a)
2 Look at the data about some elements. (a) Calculate the density of element D. Include the equation you use.
(a)
2 (b) Which element, A, B, C or D, is a gas? Explain your answer using information from the table.
A
B
C
D
3 This question is about sound waves. (a) What is the amplitude of the sound wave? cm
(a)
3 (b) (i) Describe the effect of increasing the amplitude of the sound wave.
3 (b) (ii) Describe the effect of decreasing the frequency of the sound wave.
4 Nebulae are found in space. (a) What are nebulae made from?
(a)
4 (b) Nebulae act as stellar nurseries. Write down what happens in stellar nurseries.
5 Water is essential for plant growth. Complete these sentences about the pathway of water in flowering plants. Water from the soil enters plants through cells called (a) . This process is called (b) . Water moves up a plant stem inside the (c) . Water vapour is lost from the surface of leaves by the process of (d) .
6 Look at the table showing some properties of Group 1 elements. Write about three trends in the properties of the Group 1 elements shown in the table.
7 Yuri investigates the resistance of six different lengths of wire. (a) Write down the name of the equipment Yuri uses to measure the voltage across the length of wire.
(a)
7 (b) Calculate the resistance of the 20 cm length of wire. Write your answer in the table. (ohms)
(a)
8 Complete the sentences about the formation of the Moon. The theory for how the Moon formed is called (a) . One piece of evidence for this theory is that the composition of rocks on the Earth and on the Moon is (b)
9 Look at the picture of a panda. (a) Suggest the impact of climate change on the panda population.
9 (b) Write down three reasons for your answer in (a).
10 Look at the model of a particle of water, H2O. (a) The chemical bonding in water is covalent. Describe what is meant by a covalent bond.
10 (b) Complete the sentence. When two or more atoms are joined together by covalent bonding, a (a) is made.
10 (c) How many covalent bonds are shown in the model of a particle of water?
(a)
11 Priya investigates inheritance of sex in humans. (a) Suggest one way Priya reduces the chance of getting a disease from the blood samples she analyses.
11 (b) Explain why it is a good idea that Priya analyses more than two samples.
to identify anomalous results
have a variation or variety of results
data is more valid
to improve accuracy
12 This question is about energy. (a) Tick () the law which states that energy cannot be created or destroyed.
conduction of energy
conservation of energy
dissipation of energy
transfer of energy
Calculate the percentage of the energy transferred electrically to the lamp which is transferred as light.
(a)
Zinc reacts with sulfuric acid. Zinc sulfate and hydrogen are made. Write the word equation for this reaction.
(a)
Suggest what Mia does to find out which reaction has the largest energy change.
Pierre concludes that his results are precise. Tick () to show if his conclusion is correct. Give a reason for your answer.
yes
no
The results of the scientist are correct. Pierre says, ‘My results for experiment 1 are accurate.’ Tick () to show if his conclusion is correct. Give a reason for your answer.
yes
no
Name this type of electrical circuit.
(a)
The reading on ammeter A1 is 1.2 A. Calculate the reading on ammeter A2. (amps)
(a)
What happens to the mass of the flask and its contents during the reaction? Explain your answer.
Complete the sentence. The differences in characteristics between individuals of the same species is called .
(a)
DNA in genes determines characteristics in humans. Write down three characteristics determined only by genes.
Explain how the fossil record and the alignment of magnetic materials in the crust are evidence for tectonic plates.
The electronic structure of lithium is 2.1. Write down the electronic structure of aluminium.
(a)
How many protons are there in one atom of sodium?
(a)
Write down the type of bonding in magnesium oxide. Explain your answer using information from the diagram.
Write down the name of these components.
Suggest a hypothesis that Ahmed makes about the current in the circuits in his investigation. Explain your answer.
Identify one safety hazard in this investigation. Describe how this safety hazard is reduced.
Which location, A, B, C or D, is most likely to have the largest number of volcanoes?
A
B
C
D
Write down the name of the process that causes the tectonic plates to move.
(a)
Complete the word equation for the reaction. magnesium + zinc sulfate +
(a)
Explain why there is no reaction when copper is added to zinc sulfate solution. Tick the correct answer.
Copper sulfate is more reactive than zinc sulfate.
Zinc sulfate is more reactive than copper sulfate.
Zinc is more reactive than copper.
Copper is more reactive than zinc.
Which word describes how these two identical sound waves interact?
(a)
Write down one similarity between the new sound wave produced and sound wave A.
(a)
Complete the sentences. The loudness of the new sound wave is (a) than sound wave A. This is because the waveform of the new sound wave has a smaller (b) .
Explain why the air flows in the direction of the arrows.
Draw a straight line to match each process to its correct description.
respiration
releases energy in cells
feeding
obtaining nutrients from other organisms
decomposition
breakdown of dead organisms
combustion
a chemical reaction between a fossil fue
(b) How many of these processes release carbon dioxide into the air?
(a)
(c) Write down which one of these processes has increased in the last 100 years due to human activity. Explain your answer.
(a)
(d) Write down the name of one other process in the carbon cycle.
(a)
Who do you agree with? Give one reason for your answer.
(a) Write down the word equation for photosynthesis.
(a)
(b) Photosynthesis needs an energy source. What is the energy source for photosynthesis?
(a)
