Download Grade 8 Revision Objectives Cells and Life

Grade 8 Revision Objectives
Cells and Life Processes
 To identify an organism by using the seven characteristics of living things.
 To distinguish between animals and plants by the way they get their food.
 To distinguish animal from plant cell and to describe the functions of the cell structures.
 To be familiar with a microscope to examine cells and to draw and label a plant and an animal cell
from original pictures.
 To identify specialised cells of animals and plants.
 To distinguish between plant and animal cells.
 To identify unicellular and multicellular organisms.
 To describe the organ systems and where they are found in a human.
 To describe the terms associated with where an organism lives.
 To describe how a camel and a polar bear have adapted to their environment.
 To describe how cacti and marram grass have adapted to their environment.
Reproduction in Plants
 To describe sexual reproduction in plants.
 To identify the different methods of pollination in plants.
 To identify the causes and symptoms of hay fever.
 To describe how fertilisation takes place in a plant.
 To describe the formation of seeds and fruit.
 To identify the different dispersal methods of seeds.
 To describe the conditions needed for germination and the associated experiments.
 To identify the different methods of asexual reproduction.
Releasing Energy
 To describe how and why humans breathe.
 To describe ventilation and gas exchange.
 To identify the difference between the oxygen content in inhaled and exhaled air.
 To describe the diseases associated with smoking.
 To describe the effects of asthma in humans.
 To describe gas exchange in plants.
 To describe respiration and what the organism does with the energy produced.
 To describe anaerobic respiration and useful microorganisms.
 To identify the uses of beneficial micro-organisms and the problems of harmful micro-organisms.
 To describe the different food preservation methods.
Micro-organisms and Disease
 To identify the different types of micro-organism.
 To describe the different ways disease is spread.
 To describe natural and artificial immunity.
 To describe how vaccinations prevent disease.
 To describe the different types of parasite e.g. pork tapeworm and malaria.
Health and Biotechnology
 To identify and describe how to maintain a healthy body through exercise.
 To identify and describe how to maintain a healthy body through a balanced diet.
 To identify and describe how to maintain a healthy body through avoiding the problems of drug use
including alcohol.
 To know the concepts of controlling disease.