Grade 1 Science, Biology & Health Revision Worksheet: Plants, Animals, Life Cycles and Healthy Food

Free worksheet covering Science, Biology, Health for age 7 students. Created with Learning Corner's AI-powered tools.

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Instructions

  1. Read each section carefully. There is an explanation for every new topic to help you learn.
  2. Take your time. Use a pencil so you can erase any mistakes.
  3. Think about the world around you. Many of these questions are about things you see in your garden or at the park.
  4. Complete the Challenge Questions if you want to test your brain power!

Section 1: How Plants Grow

Plants are amazing! They can start their lives in different ways. Here are the 5 main methods of growing plants:

  • Seeds: Small items produced by flowers that grow into new plants when put in soil.
  • Bulbs: Round, underground parts that store food (like an onion).
  • Grafting: Joining a piece of one plant onto another plant so they grow together.
  • Stem Cutting: Taking a piece of a plant's stem and putting it in water or soil to grow roots.
  • Layering: Bending a branch down to the ground and covering it with soil until it grows its own roots.

Task 1: Fill in the 5 methods of growing plants below:

Section 2: Plant Matching

Task 2: Match the plant to the method usually used to grow it. Draw a line to connect them.

Plant Name Growing Method
1. Pumpkin A. Layering
2. Garlic B. Seeds
3. Sugarcane C. Bulbs
4. Jasmine D. Grafting
5. Grapes E. Stem Cutting
6. Onion F. Seeds
7. Mango Tree G. Bulbs
8. Rose H. Stem Cutting
9. Tomato I. Grafting
10. Strawberry J. Layering

Section 3: Fill in the Blanks

Task 3: Use the words in the box to complete the sentences.

Word Bank: Soil, Bulbs, Nutrients, Seeds, Air, Layering

  1. Lilies are beautiful flowers that grow from ____.

  2. Plants need water, sunlight, and ____ to grow strong.

  3. Plants are our friends because they give us fresh ____ to breathe.

  4. In ____, a stem is bent down into the ____ to grow roots.

  5. A tiny green sprout comes out of ____ after they are planted.

Section 4: Mammals and Non-Mammals

Explanation: Mammals usually have hair or fur, give birth to live babies, and feed them milk. Non-mammals (like birds, fish, and reptiles) often lay eggs.

Task 4: Circle the correct answer.

  1. Which of these is a mammal? a) Goldfish b) Dog c) Frog

  2. A mammal that can fly is the: a) Bat b) Eagle c) Butterfly

  3. Do mammals give milk to their babies? a) Yes b) No

  4. Which animal lays eggs? a) Cow b) Chicken c) Cat

  5. A dolphin lives in the water. Is it a mammal? a) Yes, it breathes air and gives birth b) No, it is a fish

  6. What covers the body of most mammals? a) Scales b) Feathers c) Hair or Fur

  7. Which of these is a reptile (non-mammal)? a) Snake b) Rabbit c) Horse

  8. Humans are classified as: a) Reptiles b) Mammals c) Birds

  9. An animal that has feathers and lays eggs is a: a) Mammal b) Bird

  10. A whale is a mammal. a) True b) False

Section 5: Life Cycles

Task 5: Label the Butterfly Life Cycle. Choose from: Adult Butterfly, Egg, Pupa (Chrysalis), Larva (Caterpillar)

  1. Stage 1 (The start): __

  2. Stage 2 (The hungry stage): __

  3. Stage 3 (The changing stage): __

  4. Stage 4 (The flying stage): __

Task 6: Human Stages. Write the numbers 1, 2, 3, and 4 next to the stages to put them in the correct order from youngest to oldest.

( ) Adult ( ) Baby ( ) Old Man ( ) Boy

Section 6: Animal Groups

Task 7: Sort these 10 animals into the correct group in the table below.

Animals: Frog, Snake, Dolphin, Bat, Turtle, Ostrich, Cat, Lion, Crocodile, Elephant

Animals that give birth (Mammals) Animals that lay eggs
Example: Dog Example: Chicken
1. 1.
2. 2.
3. 3.
4. 4.
5. 5.

Section 7: Healthy Eating

Task 8: Sort the food items into "Good Food" (Healthy) and "Bad Food" (Unhealthy/Treats).

Food List: Apple, Pizza, Spinach, Candy, Fish, Soda, Milk, Doughnut, Carrot, Ice Cream

Good Food (Eat often) Bad Food (Eat sometimes)
Example: Banana Example: Potato Chips
1. 1.
2. 2.
3. 3.
4. 4.
5. 5.

Answer Key

Section 1: 1. Seeds, 2. Bulbs, 3. Grafting, 4. Stem Cutting, 5. Layering. Section 2: 1-B, 2-C, 3-E, 4-A, 5-D, 6-G, 7-I, 8-H, 9-F, 10-J. Section 3: 1. Bulbs, 2. Nutrients, 3. Air, 4. Layering / Soil, 5. Seeds. Section 4: 1-b, 2-a, 3-a, 4-b, 5-a, 6-c, 7-a, 8-b, 9-b, 10-a. Section 5: Butterfly: 1. Egg, 2. Larva, 3. Pupa, 4. Adult. Human: 3-Adult, 1-Baby, 4-Old Man, 2-Boy. Section 6:

  • Birth: Dolphin, Bat, Cat, Lion, Elephant.
  • Eggs: Frog, Snake, Turtle, Ostrich, Crocodile. Section 7:
  • Good: Apple, Spinach, Fish, Milk, Carrot.
  • Bad: Pizza, Candy, Soda, Doughnut, Ice Cream.
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