How People Use Natural Resources
Renewable and Non-Renewable Natural Resources
Human Impact on Earth's Resources
Materials and Their Properties
Changing Matters
100
Water
What is drinking, cooking, washing, recreation, transport
100
Natural resources that are replaced by nature within 100 years.
What is Renewable Natural Resources
100
It is caused when chemicals, litter, and other wastes are added to water ways. It can harm or kill plants and animals.
What is water pollution
100
Anything you can observe about an object or substance by using your 5 senses.
What is a physical property.
100
Change to matter in which no new matter is made
What is a physical change
200
Air
What is breathing, inflating tyres and other objects, heating
200
Natural Resources that are not replaced within 100 years
What is Non-Renewable Natural Resources
200
This pollution is caused by human activities. Cars, trucks, buses, air plane, and trains release harmful gases into the air.
What is air pollution
200
1. The light can pass through that object easily. 2. Things that light cannot pass through 3. Things that allow only some light to pass through them
What is 1. transparent: glass 2. opaque: book 3. translucent: sunglasses
200
A change that forms new matter
What is Chemical Change
300
Soil
What is growing plants for food and other uses, making objects from clay
300
Sunlight, air, wind, water, and plants
What is renewable natural resources
300
It results when chemicals released by cars and factories mix with water in the air. The water falls back to earth as rain and can harm plants and animals.
What is acid rain.
300
It is how much it can be pressed together or pulled apart without breaking: Noun of an adjective "strong"
What is the strength
300
Salad, A melting ice, a melting candle, paper bird, crushed can
What is a physical change
400
Plants
What is food, wood, paper, fuel, building homes, furniture
400
Fossil fuels, minerals, natural gas, coals, soil, rocks, metal
What is Non-Renewable natural resources
400
3Rs.
What is reduce, reuse, recycle
400
Metal
What is Heat conductor and Electrical Conductor
400
Baking or making cake, Rust, Burning Wood
What is a Chemical Change
500
Fossil Fuels
What is fuel for cars, making electricity, plastic, medicines cosmetics and manufacturing
500
The forest are cleared of trees. It kills the plants that once lived on the land and also destroys the homes and food sources for many animals.
What is deforestation
500
to use an old resource to make a new product.
What is recycle: paper, aluminium can, tin can, plastic, glass
500
Plastic and Rubber
What is heat insulator and electrical insulator
500
An example of a solution because it contains water and salt and they mix so completely that they appear as one.
What is Ocean Water.