Student Name: ________________________ Particle Theory Revision ACTIVITY BOX 1 1. List the three states of matter commonly found on Earth _______________________________________________________________________ 2. State whether the following are solids, liquids or gasesa) A sugar cube- ___________________ b) Ink- ____________________________ c) Air - _________________________ 3. List the different states in which the substances exist in the following mixturesa) Soft drink- _________________________________________ b) Chicken curry- _______________________________________ c) Mud- ____________________________________________ 4. List two physical properties and one chemical property of a sheet of paper. Physical- ___________________________________________________________________ Chemical-___________________________________________________________________ ACTIVITY BOX 2 1. What is the name of the thing that keeps atoms/particles stuck together? ___________ 2. Fill in this table for Physical Properties of Solids, Liquids and Gases. Solids Liquids Shape (fixed/not fixed) Gases Volume (fixed/ not fixed) Can it flow? (yes/no) Compressible? (yes/ no) Will it spread out to fill the container? 3. What are the four Chemical Properties you have learned? _________________ ___________________ _________________ ________________ 4. What do atoms/particles have, that allow them to move? ________________ Student Name: ________________________ ACTIVITY BOX 3 1. Give the word that explains the changes of state happening below: Solid turns into a liquid: _______________________ Liquid turns into a gas: ________________________ Solid turns straight into a gas: __________________ Gas turning straight into a solid: _________________ Liquid (NOT WATER) turning to a solid: __________________ Gas turning into a liquid: __________________________ Water liquid turning into water ice: _____________________ 2. What are FOUR things/signs that a Chemical Change has taken place? 1. ____________________________________ 2. _________________________________ 3. ____________________________________ 4. __________________________________ 3. Read each scenario. Decide whether a physical or chemical change has occurred and give evidence for your decision. The first one has been done for you to use as an example. 1 3 4 5 6 Scenario In a fireworks show, the fireworks explode giving off heat and light An acid reacts with a metal to produce gas and heat A plate is dropped and it shatters into pieces Pancake batter is cooked into pancakes A block of ice melts into a liquid 7 Gas on a stovetop is ignited to produce flames 8 Wood is burned to create smoke and flame 9 Rust starts to form on a metal toolbox that is left in the rain 10 A slab of gold metal is melted down and shaped into a ring Physical/Chemical Evidence/Reason Chemical Produced heat and light, which was something new Student Name: ________________________ ACTIVITY BOX 4 1) Jack and Jill were dissolving sugar in water. They wanted to know if increasing the temperature of the water would make the sugar dissolve faster or not. Temperature of Water (◦C) 25 30 35 40 65 100 Time Taken for Sugar to Dissolve in Water (min) 5 4 3.5 3 2 1