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Year 4 Revision booklet. One sheet per topic Mind map, note or questionnaire type form Some links to the internet For a general revision site go to: http://www.bbc.co.uk/schools/ks2bitesize/science /. SAFETY SYMBOLS IN THE LAB. Flammable. Explosive. Toxic. Corrosive. Radioactive.
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Year 4 Revision booklet • One sheet per topic • Mind map, note or questionnaire type form • Some links to the internet • For a general revision site go to: • http://www.bbc.co.uk/schools/ks2bitesize/science/ Year 4 Revision booklet
SAFETY SYMBOLS IN THE LAB Flammable Explosive Toxic Corrosive Radioactive Harmful to the environment Harmful/ Irritant Year 4 Revision booklet
Barrel Collar Air hole Base Rubber tube Year 5 Revision booklet
Bunsen Burner Flames Year 4 Revision booklet
THE HAND BONES Phalanges (finger Bones) Metacarpels (hand bones) Carpels (wrist bones) Year 4 Revision booklet
The Functions of the Skeleton The three functions of the skeleton are: • Support- Bones give us shape • Protection - for vital organs to be stored safely inside • Movement
MUSCLES Muscles work in pairs to move the parts of the body. They are called antagonistic muscles. In the arm, the bicep and triceps work together to bend and straighten the arm Muscles are attached to the bones by tendons Year 4 Revision booklet
Particles of Solids & Liquids • Properties of Solids • Particles closely • packed • Can be cut • Hard to compress • Has a fixed shape solid liquid SOLIDS & LIQUIDS The particles are tightly packed together. They don’t move very easily. The particles can move around slightly so LIQUIDS can flow. • Properties of Liquids • Particles further apart • Takes shape of container • Can be slightly compressed • Can flow • Separating solids & Liquids • Filtering – to separate an insoluble solid from liquid • Explain what happens when solids mix with liquids: • Some solids dissolve in the liquids eg salt, sugar • Insoluble solids sink to the bottom