Science Past Paper Questions PDF

2 1 (a) The picture shows some of the bones in the human body. A B C leg bones Draw a straight line from each labelled par...

2 1 (a) The picture shows some of the bones in the human body. A B C leg bones Draw a straight line from each labelled part to the name of the bone. labelled part name of the bone A jaw B rib C skull (b) Complete the sentences about the leg bones. The leg bones move because they have of muscles attached to them. The leg bones move when the muscles contract and.  3 2 Carlos asks his friends to name the planets in the Solar System. He records the number of planets each friend names in a dot plot. 0 1 2 3 4 5 6 7 8 9 number of planets each friend names (a) Write down the total number of friends Carlos asks to name the planets. (b) How many friends name all the planets in the Solar System? (c) Planetary systems contain stars and planets. Write down one other structure found in planetary systems.  4 3 Blessy investigates electrical circuits. The diagram shows the equipment she uses. X on off lamp + – battery (a) Blessy uses component X to light up the lamp. Write down the name of component X. (b) Blessy puts a second lamp into her electrical circuit. Predict what happens to the brightness of the first lamp.  5 (c) Blessy makes a gap in her first electrical circuit. on off lamp + – battery Blessy puts different objects in the gap to complete the electrical circuit. She records if the lamp lights up. Here are her results. object lamp lights up A yes B no C yes D no E yes F yes How many objects make the lamp light up? (d) Object B is a plastic spoon. Complete the sentence to explain the result for object B. The plastic spoon is a good electrical and a poor electrical.  6 4 Mia has a frozen ice lolly. She leaves the ice lolly in a warm room. The picture shows the ice lolly at the start and after five minutes. ice lolly after frozen ice five minutes lolly at start (a) Describe two differences between the ice lolly at the start and the ice lolly after five minutes. 1 2 (b) The frozen ice lolly is a solid at the start. Complete the sentences to explain why the solid ice lolly in the warm room changes. The warm room the solid ice lolly. The solid ice lolly changes state to become a. (c) Change of state is a type of process. Circle the name of this process. chemical material physical substance  7 5 The picture shows two food chains. food chain A plant mouse owl food chain B plant insect mouse owl (a) Which word describes the plants in the food chains? Circle the correct answer. consumer herbivore prey producer (b) The mouse in each food chain is the same type of mouse. Explain why this type of mouse is an omnivore. (c) Write down the name of one carnivore from the food chains. (d) The owl has a backbone. Write down the word that describes animals with backbones.  8 6 (a) The diagram shows the parts of a volcano. A D B C Draw a straight line from each labelled part to the name of the part. labelled part name of the part A ash cloud B crater C lava D magma (b) Complete the sentence about volcanoes. Volcanoes are found at breaks in the Earth's.  9 7 (a) Class 4 have a quiz about solids and liquids. Their teacher gives them five sentences. Tick () to show if each sentence is true or false. solids and liquids quiz 1. Solids keep their shape because the particles are held together. true false 2. The particles in solids move faster than the particles in liquids. true false 3. Liquids change their shape because the particles move around. true false 4. Solids are easily compressed because their particles are close together. true false 5. Liquids have a fixed volume because their particles are held close together. true false (b) Some solids behave like liquids. Circle one solid that behaves like a liquid. cotton plastic sugar wood  10 8 The picture shows Pierre watching a television. The television is plugged into the mains electricity. television image (a) Pierre sees the image and hears the television. This is because electrical energy is transferred into two types of energy. One of these two types of energy is light energy. Name the other type of energy. (b) Some of the electrical energy is lost to the surroundings. This makes the television warmer. Name the type of energy that makes the television warmer. (c) Complete the sentence about why Pierre sees the image on the television. The light from the image travels in lines to his eyes.  11 (d) Pierre switches the television off. He still sees the television but not the image. Explain why he still sees the television.