1) Name the type of variable that is changed by the investigator, to observe the affect it has on another variable. a) Independent variable b) Dependent variable c) Control variable d) Control experiment 2) Name the type of variable that is measured and recorded. It is influenced by changes in the independent variable. a) Independent variable b) Dependent variable c) Control variable d) Control experiement 3) Name the type of variable that is kept constant throughout the experiment, as otherwise it may influence the dependent variable. a) Independent variable b) Dependent variable c) Control variable d) Control experiement 4) A similar experiment set up for comparison purposes. It proves that any change in the results is due to the independent variable being altered a) Independent variable b) Dependent variable c) Control variable d) Control experiement 5) Identify the INDEPENDENT variable: A ball is dropped from different heights to see the effect on how high it bounces. a) Type of ball b) Height from which the ball is dropped c) How high the ball bounces 6) Identify the DEPENDENT variable: A ball is dropped from different heights to see the effect on how high it bounces. a) Type of ball b) Height from which the ball is dropped c) How high the ball bounces 7) Identify 3 CONTROL variables: A ball is dropped from different heights to see the effect on how high it bounces. a) Type of ball b) Height from which the ball is dropped c) How high the ball bounces d) Surface on to which the ball is dropped e) The size of the ball 8) Identify the independent variable: A sunflower plant is grown under different light intensities to see if this will influence how tall the plant grows after one month. a) Height of plant b) Light intensity c) Pot the plant is grown in d) Temperature e) Water volume f) Carbon dioxide concentration 9) Identify the dependent variable: A sunflower plant is grown under different light intensities to see if this will influence how tall the plant grows after one month. a) Height of plant b) Light intensity c) Pot the plant is grown in d) Temperature e) water volume f) Carbon dioxide concentration 10) Identify three control variables: A sunflower plant is grown under different light intensities to see if this will influence how tall the plant grows after one month. a) Height of plant b) Light intensity c) Pot the plant is grown in d) Temperature e) water volume f) Carbon dioxide concentration 11) Identify 2 CONTROL variables: A youtuber wants to test how the controller they use affects how well they can play Minecraft. They decide to measure this based on how fast they can build their house. a) Timing how long it takes to build the house b) The type of controller used c) The game that is played d) The person playing the game e) The shoes the player is wearing 12) Identify the INDEPENDENT variable: A youtuber wants to test how the controller they use affects how well they can play Minecraft. They decide to measure this based on how fast they can build their house. a) Timing how long it takes to build the house b) The type of controller used c) The game that is played d) The person playing the game e) The time of day played 13) Identify the DEPENDENT variable: A youtuber wants to test how the controller they use affects how well they can play Minecraft. They decide to measure this based on how fast they can build their house. a) Timing how long it takes to build the house b) The type of controller used c) The game that is played d) The person playing the game e) The time of day played 14) Identify the DEPENDENT variable: Sam wants to see which fruit drink he prefers from some new limited editions. Sam does this by pouring 50ml of each in to a glass and rating their taste from 1 to 10. a) The flavour of the drink b) The volume of drink c) The taste of the drink d) The person tasting the drink e) The room Sam uses to taste the drinks 15) Identify the INDEPENDENT variable: Sam wants to see which fruit drink he prefers from some new limited editions. Sam does this by pouring 50ml of each in to a glass and rating their taste from 1 to 10. a) The flavour of the drink b) The volume of drink c) The taste of the drink d) The person tasting the drink e) The room Sam uses to taste the drinks 16) Identify 2 CONTROL variables: Sam wants to see which fruit drink he prefers from some new limited editions. Sam does this by pouring 50ml of each in to a glass and rating their taste from 1 to 10. a) The flavour of the drink b) The volume of drink c) The taste of the drink d) The person tasting the drink e) The room Sam uses to taste the drinks 17) Shamina wants to investigate how temperature influences the time it takes for a sugar cube to dissolve in water. Identify the independent variable in this experiment. a) The volume of the water b) The temperature of the water c) The surface area of the sugar cube d) The time taken to fully dissolve e) The person who drops the cube into the water f) The speed at which the water is stirred 18) Shamina wants to investigate how temperature influences the time it takes for a sugar cube to dissolve in water. Identify the dependent variable in this experiment. a) The volume of the water b) The temperature of the water c) The surface area of the sugar cube d) The time taken to fully dissolve e) The person who drops the cube into the water f) The speed at which the water is stirred 19) Shamina wants to investigate how temperature influences the time it takes for a sugar cube to dissolve in water. Identify three suitable control variables for this experiment. a) The volume of the water b) The temperature of the water c) The surface area of the sugar cube d) The time taken to fully dissolve e) The person who drops the cube into the water f) The speed at which the water is stirred

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