Question | Answer |
What is the difference between heat and temperature? | We can measure temperature with a thermometer but we cannot measure the amount of heat energy something contains |
What is 'convection'? | The transfer of heat in fluids |
What is 'conduction'? | The way heat travels through solids |
All the heat we get from the Sun are infrared radiation. What is this? | Another name for radiation. It can travel through transparent thins and a vacuum |
What are the groups that organisms in the animal kingdom are classified into? | From animal kingdom to invertebrates and vertebrates. From vertebrates into mammals, reptiles, fish, amphibians and birds |
You can identify mosses by... | No roots, no xylem, small and flat thin leaves and no cuticle |
Ferns | Roots, xylem, many small leaves and cuticle |
Conifers | Roots, xylem, needle-shaped leaves and thick cuticle |
Flowering plants | Roots, xylem, large and flat leaves and cuticle |
What are the stage of a food web? | Producer -> Herbivore -> Consumer and Carnivore -> Predator |
What is the way of seperating different substances that are dissolved ina solution called? | Chromatography |
What classify 'metal'? | It is shiny, flexible and good heat conductors, solids at room temperature and good electrical conductors |
How do you know if something is non-metal? | Gases or solids that melt very easily. Also, they are good heat and electrical insulators |
What is 'aerobic respiration'? | Oxygen + glucose -> carbon dioxide + water. Use to release energy |
What is 'anarobic respiration'? | Glucose -> lactic acid. Use when there is no more oxygen |