Study

Year 7 Revision

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  • what type of weathering is caused by wind or water breaking apart rock?
    physical weathering
  • what type of energy is stored in food?
    chemical potential
  • what piece of equipment do you use to hold larger amounts of solids or liquids?
    beaker
  • which organism is the producer?
    grass
  • what are the units for measuring mass?
    kilograms, grams
  • Name three herbivores in this food web?
    kangaroo, wombat, honey eater, termites, cricket, emu
  • plants use photosynthesis to make
    sugar and oxygen / their own food
  • changes of state: Liquid to a gas
    evaporation
  • When lighting the Bunsen burner, is the air hole closed or open?
    closed
  • What is the process called where rocks break down into smaller pieces
    Weathering
  • In an element, how many types of atoms are there
    An element is a pure substance made of ONE type of atom-
  • List four types of energy
    chemical, potential, kinetic, electrical, heat
  • the variables that are kept constant in an experiment are called?
    control variables
  • which variable is one the you change?
    independent variable
  • rocks are made of one or more different _______________________
    minerals
  • what process breaks down rock into smaller fragments?
    weathering
  • In a food chain bacteria and fungi break down dead organisms. They are called?
    decomposers
  • T/F most metals are shiny and can conduct electricity
    True
  • What type of weathering is caused by weak acid in rain?
    chemical weathering
  • Name the change of state labelled C
    solidification
  • What is the difference between lava and magma
    lava is above ground, magma is below the surface of the earth
  • Changes of state: solid to a liquid
    melting
  • what type of energy goes a campfire give off?
    heat light and sound
  • what type of energy is seen here
    light energy
  • changes of state: Liquid to a solid
    solidification
  • Name the change of state A
    melting
  • describe an adaptation of an Australian plant (try Ironbark tree)
    thick bark, thin long leaves, silvery coloured leaves, dropping branches, flowers.
  • T/F particles in matter vibrate faster when heated
    true
  • malleable means
    bendy
  • Name the cycle that shows how rocks change over time.
    the rock cycle
  • Name a secondary consumer in this food web
    echidna, magpie,lizard
  • Name the piece of equipment for observing small amounts of liquid
    test tube
  • A carnivore is an animal that only eats
    meat
  • Primary consumers eat ............................
    plants or producers
  • which variable is the one you measure as the result?
    dependent variable
  • what is the name of the cycle that describes how rocks change into other types of rocks?
    the rock cycle
  • Name three uses of rocks
    energy (coal), building materials (iron, concrete), jewellery, bench tops, decorating (statues), tools
  • Name a primary consumer in this food web
    wombat, honey eater, termites, kangaroo, cricket
  • In a food web, organisms that can make their own food are called___________
    producers
  • what type of weathering is caused by wind or water breaking apart rock?
    physical weathering
  • what part of the scientific report is states the purpose of the experiment?
    aim
  • what type of rock is formed from cooling lava or magma?
    igneous
  • Describe an adaptation of the wombat
    long claws, rear facing pouch, thick brown fur, square bottom, nocturnal
  • how many variables are changed in a valid (fair) science experiment?
    ONE