Comprehensive Science Worksheet for 8-Year-Olds: Plants, Human Body, Food Chain & Mixtures

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Instructions

Read each question carefully and write your answer in the space provided. Use the diagrams and tables to help you. Have fun learning!

Things Around Us

1. Look at the list below. Put a check mark (✓) in the correct box for each item.
Item Living Thing Non-living Thing
Tree
Rock
Cat
Car
2. Circle the two living things in the boxes below.
Flower
Book
Bird
Chair
3. True or False? A toy car can grow bigger on its own.
4. Fill in the blank: Living things need , water, and air to live.
5. Look at the list below. Put a check mark (✓) in the correct box for each item.
Item Natural Man-made
River
Bridge
Sun
House
6. What is one thing all living things can do that non-living things cannot?
7. Draw a line to match the object to its type.

Cloud              Man-made

Pencil             Natural

8. Which of these is a non-living thing? (Circle one)

a) fish      b) tree      c) teddy bear

9. Unscramble the word. It is a non-living thing found in nature.
KCOR ->
10. List two living things you might find in a park.

1.

2.

Parts of Plants and Humans

1. Label the human organs using the words from the box.
      O
     /|\  <-- ________________ (Brain)
    / | \
   ---[]--- <-- ______________ (Heart)
  (   O  )  <-- ______________ (Lungs)
  (      )
   \    /   <-- ______________ (Stomach)
    |  |
   (mmmm)   <-- ______________ (Intestine)
   /    \
  /      \
Word Bank:
Heart
Lungs
Brain
Stomach
Intestine
2. Match the organ to its main job.

Heart            Helps you breathe

Lungs            Controls your body

Brain            Digests food

Stomach        Pumps blood

3. Label the parts of the plant.
    (\/)     <-- ______________ (Flower)
    /  \
    |  |--\  <-- ______________ (Leaf)
    |  |  /
    |  |     <-- ______________ (Stem)
    |  |
   /|\ | /|\
  / | \|/ | \  <-- ______________ (Roots)
 ~~~~~~~~~~~~~~~~~~ Soil ~~~~~~~~~~~~~~~~~~
4. Fill in the blank: The absorb water from the soil for the plant.
5. True or False? The brain is like the body's computer.
6. Which part of the plant makes food using sunlight? (Circle one)

a) Roots      b) Flower      c) Leaves

7. What do your lungs fill with when you take a deep breath?
8. Unscramble the name of the organ that pumps blood.
TRAHE ->
9. Tick the correct box to show if the part is found in a plant or a human.
Part Found in Plant Found in Human
Lungs
Stem
Brain
Leaves
10. What is the job of the stomach?

Food Chain

1. Look at the food chain below. What do the arrows show?
Grass   ➡   Zebra   ➡   Lion
Answer:
2. Fill in the blank: A food chain always starts with a , which is usually a plant.
3. Circle the producer in this list:
Fox
Grass
Rabbit
Snake
4. Put a check mark (✓) to show what each animal eats.
Animal Eats Plants (Herbivore) Eats Animals (Carnivore)
Cow
Tiger
Deer
Shark
5. An animal that eats only plants is called a... (Circle one)

a) carnivore      b) herbivore      c) producer

6. Draw a simple food chain using these three living things: Caterpillar, Bird, Leaf.
➡ ➡
7. True or False? A lion is a producer.
8. Unscramble the word for an animal that hunts other animals.
ROTADERP ->
9. In the food chain: Sun ➡ Rose ➡ Aphid ➡ Ladybug, which living thing is eaten by the ladybug?
10. What would happen to the zebras if all the grass disappeared?

Mixtures

1. A mixture is when you combine two or more things. Circle the mixture:
A glass of water
A bowl of fruit salad
A single apple
2. Identify the type of mixture. Put a check mark (✓) in the correct box.
Mixture Solid + Solid Solid + Liquid
Sand and water
Rocks and pebbles
Sugar in lemonade
Mixed nuts
3. True or False? When you mix salt and water, the salt disappears forever.
4. Draw a picture of a solid + solid mixture, like trail mix or different colored blocks.
Draw here
5. Fill in the blanks: A mixture of sand and small shells is a + mixture.
6. Which of these is a solid + liquid mixture? (Circle one)

a) Air      b) Salad      c) Cereal and milk

7. Can you easily separate the pieces in a bowl of mixed fruit? (Circle Yes or No)

Yes / No

8. Unscramble this word. It means to stir things together.
XIM ->
9. You mix pebbles and water. How could you separate them?
10. Name one solid + liquid mixture you might have for breakfast.

Answer Key

Section 1: Things Around Us

  1. Tree: Living, Rock: Non-living, Cat: Living, Car: Non-living
  2. Flower, Bird
  3. False
  4. food
  5. River: Natural, Bridge: Man-made, Sun: Natural, House: Man-made
  6. They can grow / breathe / reproduce (have babies). (Any one is correct)
  7. Cloud -> Natural, Pencil -> Man-made
  8. c) teddy bear
  9. ROCK
  10. (Answers may vary) Tree, grass, bug, bird, squirrel, flower.

Section 2: Parts of Plants and Humans

  1. (Top to bottom) Brain, Heart, Lungs, Stomach, Intestine
  2. Heart -> Pumps blood, Lungs -> Helps you breathe, Brain -> Controls your body, Stomach -> Digests food
  3. (Top to bottom) Flower, Leaf, Stem, Roots
  4. roots
  5. True
  6. c) Leaves
  7. Air
  8. HEART
  9. Lungs: Human, Stem: Plant, Brain: Human, Leaves: Plant
  10. It helps digest food.

Section 3: Food Chain

  1. The flow of energy.
  2. producer
  3. Grass
  4. Cow: Herbivore, Tiger: Carnivore, Deer: Herbivore, Shark: Carnivore
  5. b) herbivore
  6. Leaf ➡ Caterpillar ➡ Bird
  7. False
  8. PREDATOR
  9. Aphid
  10. (Answers may vary) They would have no food / they might starve / they would have to move to a new place.

Section 4: Mixtures

  1. A bowl of fruit salad
  2. Sand and water: Solid + Liquid, Rocks and pebbles: Solid + Solid, Sugar in lemonade: Solid + Liquid, Mixed nuts: Solid + Solid
  3. False (it dissolves, but it's still there)
  4. (Student's drawing of a solid/solid mixture)
  5. Solid + Solid
  6. c) Cereal and milk
  7. Yes
  8. MIX
  9. (Answers may vary) Pour the water out / Use a strainer or sieve.
  10. (Answers may vary) Cereal and milk / Oatmeal / Hot chocolate.
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