Heat and Temperature Name: Consolidation Worksheet Class: 1 Date: What Is Heat? / What Is Temperature? 1. Identify and put a tick (ü) in the boxes next to the pictures below that shows heat is useful. a. b. c. d. e. f. © 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 185 2. The diagram below shows four glasses of water. Glasses P and Q have the same amount of water. Glasses R and S have the same amount of water. The water in Glasses P and R are at the same temperature. The water in Glasses Q and S are at the same temperature. Fill in the blanks below with the correct answers. 186 30 ºC 60 ºC P Q 30 ºC 60 ºC R S a. The water in Glass has the most heat. b. The water in Glass has the least heat. Additional Teacher’s Resources © 2012 Alston Publishing House Pte Ltd Heat and Temperature Name: Class: Consolidation Worksheet 2 Date: How Does Heat Travel? a. Ari touched a metal spoon. The metal spoon felt cold. In the picture below, draw an arrow to show the direction of heat flow. b. Tom placed a metal spoon in a mug of hot coffee. The metal spoon felt hot. In the picture below, draw an arrow to show the direction of heat flow. c. Complete the statement below. If two objects are near each other and one object is hotter than the other, then heat will flow from the object to the object. © 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 187 Heat and Temperature Name: Class: Consolidation Worksheet Date: 3 What Happens When an Object Gains or Loses Heat? It is common to see electrical cables sagging on very hot days as shown below. Fill in the blanks with the appropriate words to explain why this happens. heat On a very hot day, the metal wires in the cable quickly. This causes the metal wires to . The wires thus in length and width, causing them to sag. 188 Additional Teacher’s Resources © 2012 Alston Publishing House Pte Ltd Heat and Temperature Name: Class: Consolidation Worksheet Date: 4 What Are Good and Poor Conductors of Heat? Study the classification chart below and fill in the blanks with the correct words. Use the words in the box below to help you. Each word can be used only once. Copper Gas Good Poor Liquid Silver Plastic Wood Materials conductors of heat conductors of heat may be such as • Iron Solid • Steel such as • Styrofoam such as such as Water Oxygen • • • • © 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 189 Heat and Temperature Name: Class: Fun and Games Date: Crossword Puzzle! Complete the crossword puzzle using the clues given below. 1 2 3 4 5 7 6 N H 8 9 G 10 T 11 12 Down: 1. Our sense of 3. Wood is a cannot measure temperature accurately. conductor of heat. 4. Heat is a form of 6. is a measure of how hot or cold an object is. 10. Metals can 190 . when heated. Additional Teacher’s Resources © 2012 Alston Publishing House Pte Ltd Across: 2. Heat is used to our food. 5. When two objects of different temperatures are in contact, heat will travel from the object to the other object. 7. The instrument used to measure temperature accurately is a 8. Temperature is measured in the unit 9. A . Celsius (°C). , when used with a temperature sensor, can be used to measure and record temperatures. 11. The Sun is an important 12. A hotter object will have a © 2012 Alston Publishing House Pte Ltd of heat. temperature. Science SMART Teacher’s Guide Grade 4 191 Heat and Temperature Name: Class: Date: Exam Practice Process skills: Observing, Comparing, Analysing Rita’s mother prepared iced tea by pouring hot tea into a glass containing ice cubes. a. How will the temperature of the hot tea change after it is poured over the ice cubes? [1 mark] b. Fill in the blanks with the words ‘gained’ or ‘lost’. [2 marks] When the hot tea is poured over the ice cubes, heat is by the ice cubes and by the hot tea. c. What change will the ice cubes undergo when the hot tea is poured over them? [1 mark] 192 Additional Teacher’s Resources © 2012 Alston Publishing House Pte Ltd d. In which of the cups below should Rita’s mother keep the iced tea to keep it cold for as long as possible? Circle the correct answer. [1 mark] Polystyrene cup Ceramic cup Steel cup Glass cup Hint: The iced tea will stay cold if heat from the surroundings is not conducted to it quickly. Which of the materials will conduct heat the slowest? © 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 193 1 Class: Date: 1. Additional Teacher’s Resources e. f. d. c. ✓ b. a. Identify and put a tick (ü) in the boxes next to the pictures below that shows heat is useful. What Is Heat? / What Is Temperature? Consolidation Worksheet Name: Heat and Temperature ✓ ✓ Answers to Additional Teacher’s Resources Answers to Additional Teacher’s Resources has the most heat. has the least heat. S P b. The water in Glass S 60 ºC Q 60 ºC a. The water in Glass R 30 ºC P 30 ºC Fill in the blanks below with the correct answers. The water in Glasses P and R are at the same temperature. The water in Glasses Q and S are at the same temperature. Glasses P and Q have the same amount of water. Glasses R and S have the same amount of water. 2. The diagram below shows four glasses of water. Chapter 3 194 © 2012 Alston Publishing House Pte Ltd © 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 195 Date: colder object. the other, then heat will flow from the object to the Answers to Additional Teacher’s Resources hotter If two objects are near each other and one object is hotter than c. Complete the statement below. Arrow should be drawn from the spoon to the hand/fingers. In the picture below, draw an arrow to show the direction of heat flow. b. Tom placed a metal spoon in a mug of hot coffee. The metal spoon felt hot. In the picture below, draw an arrow to show the direction of heat flow. Arrow should be drawn from the hand/ fingers to the spoon. a. Ari touched a metal spoon. The metal spoon felt cold. Class: 2 How Does Heat Travel? Consolidation Worksheet Name: Heat and Temperature 3 Class: Date: expand heat . The wires thus gain Answers to Additional Teacher’s Resources in length and width, causing them to sag. Heat and Temperature increase quickly. This causes the metal wires to On a very hot day, the metal wires in the cable It is common to see electrical cables sagging on very hot days as shown below. Fill in the blanks with the appropriate words to explain why this happens. What Happens When an Object Gains or Loses Heat? Consolidation Worksheet Name: Heat and Temperature 4 Class: Date: Additional Teacher’s Resources Our sense of 3. Wood is a 1. Down: H T I H 11 5 T E 9 8 R R T G H E R A R . when heated. is a measure of how hot or cold an object is. 10. Metals can L E R C E T E G R D A D P R M O M E S O U E E H O T O 6 O P U 3 C C O O K T E Y G R E N E 10 D N A P X O G G E E T 4 Date: cannot measure temperature accurately. 12 7 2 1 conductor of heat. 6. • Copper • Silver • Steel • Iron • Plastic Oxygen such as Gas such as Good conductors of heat Plastic Wood 4. Heat is a form of Materials Liquid Silver Crossword Puzzle! Class: R Answers to Additional Teacher’s Resources Complete the crossword puzzle using the clues given below. Fun and Games Name: Heat and Temperature • Wood Water such as such as • Styrofoam Liquid Good Poor Solid may be Poor conductors of heat Copper Gas Study the classification chart below and fill in the blanks with the correct words. Use the words in the box below to help you. Each word can be used only once. What Are Good and Poor Conductors of Heat? Consolidation Worksheet Name: Heat and Temperature Answers to Additional Teacher’s Resources Chapter 3 196 © 2012 Alston Publishing House Pte Ltd © 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 197 our food. object to the other object. Celsius (°C). . 12. A hotter object will have a 11. The Sun is an important Answers to Additional Teacher’s Resources temperature. of heat. , when used with a temperature sensor, can be used to measure and record temperatures. 9. A 8. Temperature is measured in the unit 7. The instrument used to measure temperature accurately is a travel from the 5. When two objects of different temperatures are in contact, heat will 2. Heat is used to Across: Class: Date: by the ice cubes and lost by the hot tea. [2 marks] Heat and Temperature cubes will change into the liquid state. Answers to Additional Teacher’s Resources The ice cubes will melt. / The ice cubes will turn into water. / The ice c. What change will the ice cubes undergo when the hot tea is poured over them? [1 mark] gained When the hot tea is poured over the ice cubes, heat is b. Fill in the blanks with the words ‘gained’ or ‘lost’. The temperature of the hot tea will decrease. a. How will the temperature of the hot tea change after it is poured over the ice cubes? [1 mark] Rita’s mother prepared iced tea by pouring hot tea into a glass containing ice cubes. Process skills: Observing, Comparing, Analysing Exam Practice Name: Heat and Temperature Additional Teacher’s Resources Glass cup Steel cup The iced tea will stay cold if heat from the surroundings is not conducted to it quickly. Which of the materials will conduct heat the slowest? Hint: Ceramic cup Polystyrene cup d. In which of the cups below should Rita’s mother keep the iced tea to keep it cold for as long as possible? Circle the correct answer. [1 mark] Answers to Additional Teacher’s Resources Chapter 3 198 © 2012 Alston Publishing House Pte Ltd Glossary Contract Decrease in size or volume Degree Celsius A unit of measure for temperature Expand Increase in size or volume Good conductor A material that allows heat or electricity to pass through quickly Heat A form of energy that is transferred due to difference in temperature Poor conductor A material that does not allow heat or electricity to pass through quickly Source Where something comes from Temperature A measure of how hot or cold a substance or place is Thermometer An instrument used to measure temperature accurately © 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 4 Heat and Temperature Chapter 3: Heat and Temperature 199