Sustainability
Name one renewable resource
Solar energy, wind power
What are the four main layers of the Earth?
Crust, mantle, outer core, and inner core.
What are the three main types of rocks?
Igneous, sedimentary, and metamorphic
What is Earth’s rotation?
The spinning of Earth on its axis
What are the three types of heat transfer?
Conduction, convection, and radiation
How can we save water at home?
Turning off taps and taking shorter showers.
Which layer do we live on?
The crust.
How are igneous rocks formed?
From cooled magma or lava
How long does Earth take to rotate once?
About 24 hours
What is conduction?
Heat transfer from solid to solid
Why is recycling important?
Recycling reduces waste and helps protect the environment.
What is the mantle made of?
Hot, semi-solid rock.- magma
How are metamorphic rocks formed?
When heat and pressure change existing rocks
What does Earth’s rotation cause?
Day and night
Which of these is an example of conduction?
A lizard sitting on a hot rock
Why should we reduce plastic use?
Plastic can harm animals and pollute oceans and land.
Which layer is liquid metal?
The outer core.
How are sedimentary rocks formed?
From layers of sediment pressed together
What is Earth’s revolution?
The movement of Earth around the Sun
What is convection?
Heat transfer through moving liquids or gases
What does sustainability mean?
Sustainability means using resources wisely so they last for the future.
What is the hottest layer of the Earth?
The inner core.
What is a mineral?
A natural substance found in rocks
How long does one full revolution take?
365 days (366 days every 4 years)
What is radiation?
Heat being given off by a hot object