how does electricity work

A current of electricity is a steady flow of electrons. When electrons move from one place to another, round a circuit, they carry electrical energy from place to place like marching ants carrying food for there colony. Instead of carrying food, electrons carry a tiny amount of electric charge. 

so what did we learn? we learned that a flow of electrons controls the amount of electricity.
a light bulb turns electricity into light by sending the electric
current through a thin wire called a filament.

Hurumanu - Zero Waste

The Zero Waste Climate Solution movie 

Video questions:

What has human activity done to our planet? greenhouse gases


What is Zero Waste?
Definition: the quickest and cheapest way to helps the environment

What stuff has a carbon footprint?

What are 2 easy things to help our planet?

1.   recycle
2.    reuse

What do we need to recycle?

1. 
   
2. 
   

What does recycling do to our planet? please extra resources needed

How much of our rubbish is made up of food scraps? 42%


What does methane gas do to our planet? it acts as a greenhouse gas

What does soil due to carbon dioxide in the atmosphere?


What do using zero waste practices do to our planet?

What is a carbon footprint?

The 2040 film

2040 

the documentary by Damon Gameau

food

As the world’s population booms from the present seven billion to more than nine billion, we will not be able to farm meat as we have done up to now.

There won’t be enough space for all the animals we would need plus their methane emissions could cause unsustainable environmental damage.

Artificial Intelligence

Computers will be as good at problem-solving as humans, with the prospect of soon surpassing us.

Then the question will be whether we let them take control or try to regulate and modify artificial intelligence. Or genetically modify humans so we can compete with machines.

Our decisions could have profound effects on world order. If the West chooses to regulate its machines, it could be at a disadvantage compared to countries that allow computers to develop unchecked.

Hurumanu- The future

Aim; To look at the different ways we can prevent climate change in the future.

How is sea-level rise going to affect us in NZ

What places will be affected? homes near the coast

What else do we need to think about? greenhouse gas

What other places around NZ will be affected? places close to the coast

What does this do to our drinking water? saltwater will get into the good water

What are the main concerns? the freshwater gets infected with saltwater and the flooding houses

What can we do to prevent climate change?

What can we do?

1.  use public transport
2.    more fuel-efficient vehicles
3.    the warehouse smart energy efficient 

Curbing climate change

What is the one, silver bullet solution? there isn't one

What is the mix of things we need to start doing?

1.  use public transport
2.   to walk
3.   if buying a new car get a hybrid or electric

What are 3 others you can think of?

1.   have solar panels on every house 
2. the entire world be powered completely by renewable energy
3.   remake forests

Activities:

Carbon Footprint: 

Carbon Footprint explained

Dwelling
Water
Recreation
Heating and cooling
Electricity
Transportation
Food
Waste
Air Travel
Consumption

Colour 1: for actions they are already doing 

Colour 2: for actions that they pledge to undertake in the future

Ecological Handprint The Ecological handprint builds on the concepts from the Carbon Footprint. We will look at the positive actions of:

1. Transportation
2. Community
3. Consumption
4. Water
5. Food
6. Home
7. Waste

1 Colour: For each action you are already doing 

2 Colour: For each action you would like to do in the future

Hurumanu- coal vs solar energy

In pairs rate the livability of coal vs solar energy.

Comparing Coal energy with Solar energy ( Rate; 1 = poor to 10 = great)

Factor	Solar	Coal
Livability	10	2
Sustainability	10	2
Accessibility	9	2
Cost	5	1
Your choice...	Y	N

Solar Sharing ( from 2040)

Hurumanu Water cycle

AIM: TO LEARN ABOUT WATER ON EARTH.

Definition:

Scientific words:

• Evaporation. When water is heated by radiant energy it turns into water vapor.
• Transpiration. Evaporation from plants.
• Condensation. When water vapor cools, molecules join together and form clouds.
• Precipitation. When clouds get heavy the waters falls as rain, sleet, hail, or snow.
• Acidification: the action or process of making or becoming acidic.

THE WATER CYCLE SONG

THE WATER CYCLE EXPERIMENT

Bag 1: Normal Water cycle

Bag 2: Water cycle with CO2 added: like Oceans in climate change

Findings:

	The Water Cycle	Acid Water Cycle
Does it cycle?	2	2
Amount of Water	1	2
Acidity	0	0

Key: Water and acidity amount: 0 = none 

1 = small 

2 = large 

Other comments: the normal water cycles well it was small droplets any was no acidity the acid water cycle really well and the water droplets will pretty big and no acid

Conclusion:

Hurumanu- Solar Energy

Solar Energy

Aim: To find out which color attracts the suns heat.

Hypothesis: I think the color white is going to contribute to having the most heat.

Materials:

1.  black paper
2. silver paper
3. white paper
4.  white cup
5.  silver cup
6. black cup
7. thermometer
8. heat lamp

Findings:

Time	Cup 1 White	Cup 2 Black	Cup 3 Tinfoil
0	16	16	16
15	22	23	24
30	23	25	26
45	24	27	28

in conclusion, the tin foil Cup heated up because of the tin foil is metal and metal conduct the heat