Science Revision - 2018 - Miss Kuruvilla

Throughout this year I've learnt several things. Today I'll be listing those things that I've learnt with a small summary.

1. Lab Safety Rules:

• Always put your bag under the desk
• Listen to instructions before you start practicals
• No eating or drinking in a science lab
• Tie your long hair while doing practicals 
• Wash your hands after practicals.

2. Lighting a Bunsen Burner:

• Connect rubber tube to the gas tap
• Close the air hole
• Light match and bring it to the top of the barrel
• Turn on gas tap
• Open air hole

3. Third rock from the sun:

Layers of the earth:

• Crust - Thinnest Layer & the Coldest (Solid)
• Mantle - Thickest Layer and a Semi Solid (Half Liquid and Solid/Inbetween)
• Inner Core - Second Hottest Layer (Liquid)
• Outer Core - Hottest Layer (Solid) 

4.  Plate Tectonics
Plate Boundaries:

• Convergent - Coming Together.
• Divergent - Moving away
• Transform - Sliding Past

5. Amoeba: Parts of a cell

Parts of a cell:

• Nucleus
• Cell Membrane
• Cytoplasm
• Mitochondria
• Vacuole
• chloroplast

6. Sound and Light

Sound: 

Sound waves
Sound can travel through Solid, Liquid and Gas

Sound can travel through Solid quicker while Liquid is Quite delayed and Gas takes a very long time for sound to travel through

Light: Light travels in straight lines & is made out of 7 colours.

Vibgyor

V: Violet

I: Indigo

B: Blue

G: Green

Y: Yellow

O: Orange

R: Red

Ear:

Ear parts:

• Pinna
• External Auditory Canal
• Hammer
• Incus
• Stapes
• Cochlea
• Ear drum
• Semi circular canal
• Auditory Nerve.
• Eustachilar Tube