Year 7 Scientists Skills

These skills will be covered during Term 2. These skills can also be found on the Alkira student database

 These are subject to Change….

 

Year 7 Solids, Liquids, Gases & Mixtures VELS Summary

Name –

Order	Key Knowledge/Skills	Knowledge Demonstrated
		Class	Test
	(Introduction)
	Identify solids have a definite shape
	Identify liquids flow and shape of their container
	Identify that gases spread to fill their container
	Explain solid properties using bond strength
	Explain liquid properties using bond strength
	Explain gas properties using bond strength
	Identify that water ice does not follow rules
	Can explain properties of slime
	(Changing  State)
	Can identify  ice, water and steam as “water”
	Identify opposite evaporation and condensation
	Identify opposite processes: melt/solidify
	Identify sublimation process
	Explain how water goes against the particle model
	(Expansion)
	Identify how expansion affects materials
	Identify that most substances expand when heated
	Identify that materials expand at different rates
	Explain how expansion affects buildings
	(Density)
	Identify why things float
	( Mixtures)
	Identify a solution as transparent mixture
	Identify a solvent
	Identify a solute as a substance that is dissolved
	Identify soluble and insoluble substances
	Identify a sediment as an opaque mixture
	Can identify a concentrated or dilute solution
	Identify a solution as solid/liquid in a liquid
	Explain that mixtures can be separated
	Describe the process of filtration
	Describe the settling of a suspension
	Explain how a solution can be separated
	Explain contents of the filtrate and residue