e-test (Matter and materials) Jaa 1. States of matter (10 p) Kirjaudu sisään lähettääksesi tämän lomakkeen Answer the following questions. 1. When a solid becomes a liquid, the process is called solidification evaporation melting condensation deposition 2. When a liquid becomes a gas, the process is called solidification evaporation melting condensation deposition 3. When a gas becomes a liquid, the process is known as solidification evaporation melting condensation deposition 4. When a liquid becomes a solid, the process is known as solidification evaporation melting condensation deposition 5. How do the molecules of liquid matter behave? They move quickly and bump into one another. They stay still and cling closely to one another. They move slowly and cling on to one another. They cause a chain reaction. They transform into atoms. 6. How do the molecules of gaseous matter behave? They move quickly and bump into one another. They stay still and cling closely to one another. They move slowly and cling on to one another. They cause a chain reaction. They transform into atoms. 7. How do the molecules of solid matter behave? They move quickly and bump into one another. They stay still and cling closely to one another. They move slowly and cling on to one another. They cause a chain reaction. They transform into atoms. 8. Which of the following temperatures is the melting point of iron? - 40 degrees Celsius 0 degrees Celsius 100 degrees Celsius 1 500 degrees Celsius 3 000 degrees Celsius 9. Which of the following temperatures is the melting point of mercury? - 40 degrees Celsius 0 degrees Celsius 100 degrees Celsius 1 500 degrees Celsius 3 000 degrees Celsius 10. Which of the following is the freezing point of water? - 40 degrees Celsius 0 degrees Celsius 100 degrees Celsius 1 500 degrees Celsius 3 000 degrees Celsius Kirjaudu sisään lähettääksesi tämän lomakkeen 2. Qualities of water (10 p) Kirjaudu sisään lähettääksesi tämän lomakkeen How do water molecules behave at different states? solid (ice) liquid (water) gas (vapor) Why is water not an element? Kirjaudu sisään lähettääksesi tämän lomakkeen 3. Materials (10 p) Kirjaudu sisään lähettääksesi tämän lomakkeen 1. Why is wood used in saunas? It looks nice. It is natural. It conducts heat very weakly. It conducts electricity very well. It conducts electricity very weakly. 2. What is the most common raw material used in paper? quartz sand crude oil PVC plastic coal cellulose from wood 3. What types of materials can be used to make paper? plastics fibers rocks wasp spit oils 4. Which animal can also produce paper? bee silkworm moth ant wasp bumblebee 5. Which of the following animals does not produce wool? camel goat cow sheep vicuna 6. Crude oil and natural gas have been formed by electricity. in oil refineries. from ancient marine organisms. from limestone. from oil spills. 7. Coal has been formed in grills. from ancient plants. from granite and quartz in supernovas. from burnt rock. 8. What is the characteristic feature of plastics? They decomposes easily. They conduct heat and electricity well. They have long molecular strands. They have short molecular strands. They are made from quartz sand. 9. Which plastic is used to make plastic bags? PE plastic PET plastic PS plastic PP plastic PVC plastic 10. Which of the following substances is used as a raw material in concrete? crude oil coal natural gas plastics chalk Kirjaudu sisään lähettääksesi tämän lomakkeen
1. States of matter (10 p) Kirjaudu sisään lähettääksesi tämän lomakkeen Answer the following questions. 1. When a solid becomes a liquid, the process is called solidification evaporation melting condensation deposition 2. When a liquid becomes a gas, the process is called solidification evaporation melting condensation deposition 3. When a gas becomes a liquid, the process is known as solidification evaporation melting condensation deposition 4. When a liquid becomes a solid, the process is known as solidification evaporation melting condensation deposition 5. How do the molecules of liquid matter behave? They move quickly and bump into one another. They stay still and cling closely to one another. They move slowly and cling on to one another. They cause a chain reaction. They transform into atoms. 6. How do the molecules of gaseous matter behave? They move quickly and bump into one another. They stay still and cling closely to one another. They move slowly and cling on to one another. They cause a chain reaction. They transform into atoms. 7. How do the molecules of solid matter behave? They move quickly and bump into one another. They stay still and cling closely to one another. They move slowly and cling on to one another. They cause a chain reaction. They transform into atoms. 8. Which of the following temperatures is the melting point of iron? - 40 degrees Celsius 0 degrees Celsius 100 degrees Celsius 1 500 degrees Celsius 3 000 degrees Celsius 9. Which of the following temperatures is the melting point of mercury? - 40 degrees Celsius 0 degrees Celsius 100 degrees Celsius 1 500 degrees Celsius 3 000 degrees Celsius 10. Which of the following is the freezing point of water? - 40 degrees Celsius 0 degrees Celsius 100 degrees Celsius 1 500 degrees Celsius 3 000 degrees Celsius Kirjaudu sisään lähettääksesi tämän lomakkeen
2. Qualities of water (10 p) Kirjaudu sisään lähettääksesi tämän lomakkeen How do water molecules behave at different states? solid (ice) liquid (water) gas (vapor) Why is water not an element? Kirjaudu sisään lähettääksesi tämän lomakkeen
3. Materials (10 p) Kirjaudu sisään lähettääksesi tämän lomakkeen 1. Why is wood used in saunas? It looks nice. It is natural. It conducts heat very weakly. It conducts electricity very well. It conducts electricity very weakly. 2. What is the most common raw material used in paper? quartz sand crude oil PVC plastic coal cellulose from wood 3. What types of materials can be used to make paper? plastics fibers rocks wasp spit oils 4. Which animal can also produce paper? bee silkworm moth ant wasp bumblebee 5. Which of the following animals does not produce wool? camel goat cow sheep vicuna 6. Crude oil and natural gas have been formed by electricity. in oil refineries. from ancient marine organisms. from limestone. from oil spills. 7. Coal has been formed in grills. from ancient plants. from granite and quartz in supernovas. from burnt rock. 8. What is the characteristic feature of plastics? They decomposes easily. They conduct heat and electricity well. They have long molecular strands. They have short molecular strands. They are made from quartz sand. 9. Which plastic is used to make plastic bags? PE plastic PET plastic PS plastic PP plastic PVC plastic 10. Which of the following substances is used as a raw material in concrete? crude oil coal natural gas plastics chalk Kirjaudu sisään lähettääksesi tämän lomakkeen
