Food Chain
Energy for Plants and Animals
Medicines
Skeleton & Muscles
Exoskeleton
100

A _____ makes its own energy and begins the food chain.

producer

100

The main source of energy for all organisms on Earth.

The Sun

100

Define infectious.

can be spread from one person to another

100

Identify the bones with the red mark.

femur / thigh bone 

100

Skeleton that is on the outside of some animals' body.

Exoskeleton

200

How many organisms in the food chain above are both a prey and a predator?

1

200

A green substance in plants that is used to trap sunlight for photosynthesis.

chlorophyll

200

Examples of 2 infectious diseases.

Flu, Covid-19, etc

200

Which number represents HUMERUS?

8

200

2 animals with exoskeleton.

Any two of:

jellyfish, lobster, crab, shell, snail, scorpion, beetle

300

What would happen if the leopard seal disappears?

The number of polar bear will decrease (no leopard seal to feed on).
The number of Arctic cod will increase (no leopard seal will eat it).

300

Define a herbivore. Provide an example.

eating only plants.

horse, zebra, giraffe, deer, etc

300

Where should medicines be stored at home?

(A) on the stove top

(B) on the table where everyone can easily reach

(C) in a box on the windowsill

(D) in a cupboard where only an adult can reach

(D)

300

Identify 9 and 10.

9. Rib

10. Spine / backbone

300

Identify the animal in the 3rd box from the left.

Octopus

400

Identify the predators in this food chain.

small fish, mackerel, mahi mahi, large shark

400

How do plants and animals get energy?

Plants get energy from the Sunlight to do photosynthesis.

Animals eat plants or other animals to get energy.

400

2 precautions when taking medicine.

Any 2 of:

1. Right Drug

2. Right Dose
3. Right Route

4. Right Time

5. Right Patient

400

What happens to the muscles in our upper arm as we pick up a hair brush and bring it close to our hair?

Bicep contracts
Tricep relaxes

400

Identify 2 characteristics of WORM using the key below.

No backbone

No legs

500

Create a food chain in the rainforest that consists of at least 4 organisms.

Answer might vary

Example:plant leaves --> grasshopper --> frog --> snake --> eagle

500

How are carnivore and omnivore animals different?

Carnivore animals only eat other animals.

Omnivore animals eat both plants and other animals.

500

Study the graph below about the number of cases of chickenpox in Chongqing from 2015 to 2023. 

Describe the pattern shown by the graph.

The cases increased from 2015-2019.

The peak was in 2019.

The cases decreased from 2021-2023.

500

2 functions of the skeleton.

Body support and shape, movement, organ protection
500

How do animals with no skeletons move?

(A) They move by contracting their muscles in various direction. 

(B) They move by contracting and relaxing their muscles along their bodies.

(C) They move by contracting their muscles in one direction.

(D) They cannot move by themselves.

(B)