1 What Is Classifying?

Transcription

1 Class: Date: 1 What Is Classifying? Fill in the blanks! C means putting things into groups based on whether they are a or d. Things in the same group share common f. We can classify living things into a, p, f and b. 150 Additional Teacher s Resources

2 Class: Date: 2 How Can We Classify Animals? 1. Animals can be classified into groups with common characteristics. Fill in the blanks with the groups of animals described. a. have feathers. have hair or fur. skins. and have scales. have moist have a hard outer body covering. b. Female produce milk to feed their young. c. and some have wings. d. Most give birth to young alive. Most lay eggs but some give birth to young alive.,, and e. Only have beaks. also lay eggs. f. The body temperature of and depends on their surroundings. g. have fins which they use for swimming. h. live in water. They have gills to help them breathe in water. can live both on land and in water. i. have three main body parts, feelers and six legs. Science SMART Teacher s Guide Grade 3 151

3 2. You are given the following information on bats. Study the information carefully and answer the question that follows. Bats are animals that have wings and can fly. They are covered with hair. Most bats eat insects or fruit. Bats have sharp teeth to bite through the tough outer covering of insects or fruits. Bats give birth to their young alive. Newborn bats drink milk produced by their mothers until they are old enough to hunt on their own. Are bats birds or mammals? Why do you say so? 152 Additional Teacher s Resources

4 3. Tom grouped different types of animals as shown below. Group W Group X Group Y Group Z a. Write down the names of the different groups of animals above in the boxes provided. Group W Group X Group Y Group Z b. The animals in each of the different groups have unique characteristics that cannot be found in the other groups. Match the unique characteristics below to the correct group of animals. Unique characteristics Group of animals Insects Have fins Have hair Females produce milk for their young Birds Have six legs Bodies have three main parts Mammals Have feathers Fish Science SMART Teacher s Guide Grade 3 153

5 Class: Date: 3 How Can We Classify Plants? Fill in the blanks with two words each. We can classify plants into different groups. Some trees and bushes are while mosses and ferns are. Some plants grow, such as in deserts, while some plants grow, such as in ponds. 154 Additional Teacher s Resources

6 Class: 4 Date: What Are Fungi? Fill in the blanks with the correct letters. A. Mould 1. B. Spores C. Decay D. Food Fungi cannot make their own. They feed on plants and animals, dead or alive. 2. Fungi growing on a dead tree trunk will cause the tree trunk to. 3. help fungi to reproduce. 4. can be found growing on bread. Science SMART Teacher s Guide Grade 3 155

7 Class: Date: 5 What Are Bacteria? 1. Tick (ü) the boxes next to the statements that are TRUE. a. Bacteria can only be seen with a microscope. b. All bacteria are rod-shaped. c. Bacteria cannot live in the body. d. Bacteria can cause diseases. 156 e. Bacteria are used to make cheese, yoghurt and medicine. f. Bacteria help to decompose dead plants and animals. Additional Teacher s Resources

8 Class: Fun and Games Date: Guess Who? Ari, Min, Rita and Tom each have a pet. Use the following clues to work out who owns which pet, and each pet s name. Match the pets to their owners and write each pet s name below its picture. Clue 1: Min s pet does not have wings. Clue 2: Tom s pet is not a mammal and does not have gills. Read through all the clues first. Which ones are easy to solve? Clue 3: The pet called Gilbert likes to swim. Clue 4: Ari s pet likes to run around a lot. Its name is Timmy. Clue 5: Rita s pet is called Florence. Clue 6: The tortoise is called Sheldon. Ari Min Tom Rita Science SMART Teacher s Guide Grade 3 157

9 Class: Date: Exam Practice Process skills: Observing, Classifying, Comparing Rita and Min went to the zoo and saw some animals classified as shown in Table A below. Table A Mammals Birds Insects Reptiles Amphibians Parakeet Ladybird Snake Bullfrog Giraffe Anteater Turkey Butterfly Chameleon Salamander a. Rita and Min decided to classify these animals based on the number of legs the animals have. Fill in the table below to show how the classification would look. [5 marks] Table B 0 legs 2 legs 4 legs 6 legs 158 Additional Teacher s Resources

10 b. Name one common characteristic between the parakeet and the butterfly. [1 mark] c. Where in Table A should Rita and Min place themselves? [1 mark] Hint: What characteristics do Rita and Min have? Compare them with the characteristics of the various groups of animals in Table A. d. Which group of animals in Table A does not contain vertebrates? [1 mark] Science SMART Teacher s Guide Grade 3 159

11 Chapter 2 Answers to Additional Teacher s Resources Answers to Additional Teacher s Resources Class: Date: Class: Date: 1 2 What Is Classifying? How Can We Classify Animals? Fill in the blanks! C lassifying means putting things into groups based on whether they are a like or d ifferent. Things in the same group share common f eatures. We can classify living things into a nimals, p lants, f ungi and b acteria. 1. Animals can be classified into groups with common characteristics. Fill in the blanks with the groups of animals described. a. Birds have feathers. Mammals have hair or fur. Fish and reptiles have scales. Amphibians have moist skins. Insects have a hard outer body covering. b. Female mammals produce milk to feed their young. c. Birds and some insects have wings. d. Most mammals give birth to young alive. Most fish lay eggs but some give birth to young alive. Birds, reptiles, insects and amphibians also lay eggs. e. Only birds have beaks. f. The body temperature of reptiles and amphibians depends on their surroundings. g. Fish have fins which they use for swimming. h. Fish live in water. They have gills to help them breathe in water. Amphibians can live both on land and in water. i. Insects have three main body parts, feelers and six legs. 160 Additional Teacher s Resources

12 Science SMART Teacher s Guide Grade bats are not birds. Answers to Additional Teacher s Resources clue is that bats have teeth. Since birds have beaks instead of teeth, alive; and female bats produce milk to feed their young. Another mammals: They are covered with hair; they give birth to their young have wings and can fly! Bats show the common characteristics of Are bats birds or mammals? Why do you say so? Bats are actually mammals. They are the only mammals that Bats give birth to their young alive. Newborn bats drink milk produced by their mothers until they are old enough to hunt on their own. Most bats eat insects or fruit. Bats have sharp teeth to bite through the tough outer covering of insects or fruits. Bats are animals that have wings and can fly. They are covered with hair. 2. You are given the following information on bats. Study the information carefully and answer the question that follows. Group X Group Y Group Z Birds Insects Fish Group Y Mammals Group Z Have six legs Bodies have three main parts Have feathers Fish Mammals Birds Insects Group of animals Answers to Additional Teacher s Resources Have hair Females produce milk for their young Have fins Unique characteristics b. The animals in each of the different groups have unique characteristics that cannot be found in the other groups. Match the unique characteristics below to the correct group of animals. Group X Group W a. Write down the names of the different groups of animals above in the boxes provided. Group W 3. Tom grouped different types of animals as shown below.

13 Chapter 2 Answers to Additional Teacher s Resources Answers to Additional Teacher s Resources Class: Date: Class: Date: 3 4 How Can We Classify Plants? What Are Fungi? Fill in the blanks with two words each. Fill in the blanks with the correct letters. We can classify plants into different groups. A. Mould B. Spores C. Decay D. Food Some trees and bushes are flowering plants while mosses 1. Fungi cannot make their own and ferns are non-flowering plants. D. They feed on plants and animals, dead or alive. Some plants grow on land, 2. Fungi growing on a dead such as in deserts, while some plants grow in water, such as in ponds. tree trunk will cause the tree trunk to C. 3. B help fungi to reproduce. 4. A can be found growing on bread. 162 Additional Teacher s Resources

14 Science SMART Teacher s Guide Grade Class: Date: Bacteria are used to make cheese, yoghurt and medicine. Bacteria help to decompose dead plants and animals. e. f. Answers to Additional Teacher s Resources Bacteria cannot live in the body. c. d. Bacteria can cause diseases. All bacteria are rod-shaped. b. a. Bacteria can only be seen with a microscope. Tick (ü) the boxes next to the statements that are TRUE. What Are Bacteria? Guess Who? Class: Date: Sheldon Florence Gilbert Rita Read through all the clues first. Which ones are easy to solve? Answers to Additional Teacher s Resources Timmy Tom Min Ari Clue 6: The tortoise is called Sheldon. Clue 5: Rita s pet is called Florence. Clue 4: Ari s pet likes to run around a lot. Its name is Timmy. Clue 3: The pet called Gilbert likes to swim. Clue 2: Tom s pet is not a mammal and does not have gills. Clue 1: Min s pet does not have wings. Match the pets to their owners and write each pet s name below its picture. Ari, Min, Rita and Tom each have a pet. Use the following clues to work out who owns which pet, and each pet s name. Fun and Games

15 Hint: Chapter 2 Class: Date: Exam Practice Process skills: Observing, Classifying, Comparing Rita and Min went to the zoo and saw some animals classified as shown in Table A below. Table A Mammals Birds Insects Reptiles Amphibians Parakeet Ladybird Snake Bullfrog Giraffe Anteater Turkey Butterfly Chameleon Salamander a. Rita and Min decided to classify these animals based on the number of legs the animals have. Fill in the table below to show how the classification would look. [5 marks] Table B 0 legs 2 legs 4 legs 6 legs Snake Parakeet Giraffe Ladybird Turkey Anteater Butterfly Chameleon Bullfrog Salamander b. Name one common characteristic between the parakeet and the butterfly. [1 mark] Both have wings. c. Where in Table A should Rita and Min place themselves? [1 mark] Mammals What characteristics do Rita and Min have? Compare them with the characteristics of the various groups of animals in Table A. d. Which group of animals in Table A does not contain vertebrates? [1 mark] Insects 164 Additional Teacher s Resources

16 Glossary Chapter 2: Abdomen Amphibian Bacteria Bracket fungus Classify Cold-blooded Common characteristic Decay Decompose Fin Fungus Gill Head Invertebrate Mammal Mould Reptile The rear part of an insect s body A cold-blooded animal that can live both on land and in water (plural; singular: bacterium) A group of very small living things that can be spiral-shaped, rod-like or spherical A type of fungus that grows on living or dead trees and wood structures in bracket-shaped or shelf-like bodies and causes the wood to decompose To arrange or organise items into groups based on how they are alike Having a body temperature that changes according to the temperature of the environment Same feature To rot or break down slowly To rot, decay or break down slowly by natural processes The thin part that sticks out from the body of the fish or other aquatic animals and is used to move, steer and balance in water (plural: fungi) A living thing that reproduces by spores and lacks chlorophyll and feeds off other living organisms or dead organic matter The body part that fish and other animals that breathe in water use to take in oxygen The front or upper part of the body that contains the brain, eyes, nose and mouth; or the corresponding part in an invertebrate animal An animal that does not have a backbone or internal body skeleton A warm-blooded animal that has an outer body covering of hair or fur, gives birth to their young alive and produces milk to feed the young A type of fungus that grows on damp or decaying organic matter An animal that is cold-blooded, lays eggs and has a body that is covered with scales Science SMART Teacher s Guide Grade 3 165

17 Scale Thorax Vertebrate Yeast One of the many small thin plates that cover the body of some animals such as fish and snakes The second or middle part of an insect s body and has the wings and legs An animal that has a backbone or internal body skeleton A type of fungus found in the soil and in the air that feeds on sugars in fruits and vegetables Chapter Additional Teacher s Resources