Exothermic Endothermic Give definitions for the following words: Gene Allele Chromosome DNA What happens to density of an object as it freezes? Fill in the missing words to describe the rock cycle Describe the difference between mass and weight Complete the calculations below What is an abiotic factor? What is a biotic factor? List the Flame test colours for the metals below: Copper: Lithium: Sodium: Potassium: Calcium: Define: Exothermic Endothermic Write word equations for: Metals and acids Metal + Acid S_______ + W_______ Rusting I______ + Oxygen + W_______ I_______ O ________ Use the words below to fill in the gaps Off Steel Cable List three conductors and three insulators. Describe the test for: Hydrogen Carbon dioxide Oxygen List the main 7 food groups What pH would an acid be? ___ What pH would an alkali be? ___ What pH is a neutral? ____ What is radiation and how is it different from conduction? Draw a food chain with grass, slug, black bird, fox. Name the reactions described below What are the main layers of the earth called? Give three ways you could insulate your home Types of Rock Example Properties of rock Igneous Metamorphic Sedimentary List the order of reactivity of metals. What are the 8 main energy types? 1. 2. 3. 4. 5. 6. 7. 8. Draw and label a plant and an animal cell