science

1. animals

1.1. cat

1.2. goldfish

2. non-magnetic material

2.1. wood

2.2. alluminium

2.3. plastic

2.4. leather

3. diversity

3.1. plants

3.1.1. mango tree

3.1.2. apple tree

3.2. micro organisms

3.2.1. Papillomavirus

3.2.2. Calicivirus

3.3. bacteria

3.3.1. Acetobacter

3.3.2. Lactobacillaceae

4. cycles

4.1. 4-stage life cycle

4.1.1. mosquito

4.1.2. butterfly

4.2. 3-stage life cycle

4.2.1. grasshopper

4.2.2. frog

5. energy

5.1. light

5.1.1. star

5.1.2. firefly

5.2. heat

5.2.1. fire

5.2.2. volcano

6. systems

6.1. respiratory system

6.1.1. to breate

6.2. digestive system

6.2.1. to eat

6.3. circulatory system

6.3.1. to make blood

6.4. skeletal system

6.4.1. to give body shape

6.5. muscular system

6.5.1. to help us move

7. interactions

7.1. magnetic material

7.1.1. iron

7.1.2. steel

7.1.3. colbalt

7.1.4. nickel