science

1. non-magnetic material

1.1. wood

1.2. alluminium

1.3. plastic

1.4. leather

2. interactions

2.1. magnetic material

2.1.1. iron

2.1.2. steel

2.1.3. colbalt

2.1.4. nickel

3. systems

3.1. respiratory system

3.1.1. to breate

3.2. digestive system

3.2.1. to eat

3.3. circulatory system

3.3.1. to make blood

3.4. skeletal system

3.4.1. to give body shape

3.5. muscular system

3.5.1. to help us move

4. animals

4.1. cat

4.2. goldfish

5. diversity

5.1. plants

5.1.1. mango tree

5.1.2. apple tree

5.2. micro organisms

5.2.1. Papillomavirus

5.2.2. Calicivirus

5.3. bacteria

5.3.1. Acetobacter

5.3.2. Lactobacillaceae

6. cycles

6.1. 4-stage life cycle

6.1.1. mosquito

6.1.2. butterfly

6.2. 3-stage life cycle

6.2.1. grasshopper

6.2.2. frog

7. energy

7.1. light

7.1.1. star

7.1.2. firefly

7.2. heat

7.2.1. fire

7.2.2. volcano