Download Year 9 core science revision list (9a2 – 9b4) Biology Describe how

Year 9 core science revision list (9a2 – 9b4)
Biology
Describe how to set up a chromatogram
Describe the terms soluble, insoluble, solvent and solute
Analyse a chromatogram
Calculate the Rf value from a chromatogram
Describe the structure of solids, liquids and gases
Explain the process of melting using particle theory
Describe what is meant by sublimation
Interpret cooling curves
Explain why a substance is pure or impure
Physics
Define and give examples of scalar and vector quantities
Calculate distance and displacement
Describe the difference between average and instantaneous speed
Use the equation speed = distance/time
Analyse the motion of an object using velocity-time graphs
Calculate acceleration by taking the gradient of a V-T graph
Recall the equation for acceleration
Use the equation a = v2-v1/t to calculate acceleration
Analyse the motion of an object using distance-time graphs
Biology
Label the structures of a plant and animal cell
Describe the differences between a plant and animal cell
Calculate the image size and real size of an image using a microscope
Covert units
Identify the organelles within a sperm cell and explain the function
Name the subunits that form starch
Explain the function of amylase
Explain the function of Trypsin
Explain the optimum conditions of enzymes