Autumn Changes
What happens to the temperature in autumn?
It gets colder
Name three colours that leaves change into in Autumn.
Red, Yellow, Orange, Brown, Purple
Name the three main rock types.
Igneous, sedimentary, metamorphic
What are rocks made up of?
Minerals
Rocks change from one type to another in a continuous process called what?
The Rock Cycle
What happens to daylight hours in autumn?
They become shorter
What pigment makes leaves green?
Chlorophyll
Which rock forms from cooled magma or lava?
Igneous
Which rock may contain fossils?
Sedimentary
What is melted rock beneath Earth’s surface called?
Magma
Name one thing animals begin to do in autumn.
Migrate or Hibernate
What else does chlorophyll do besides give color?
It makes food for the leaves.
What type of rock forms from layers of sediment pressed together?
Sedimentary rock
Which rock may have a glassy texture?
Igneous
What two things change rocks into metamorphic rock?
Name two changes that happen during autumn.
leaves fall, leaves change color, colder temperatures, shorter days, animals migrate, animals hibernate, fruits/nuts ripen
What is another pigment in leaves besides chlorophyll?
Carotenoid or Anthocyanin
What is the hardest type of rock?
Which rock has banded or wavy lines?
Metamorphic
What are the small pieces of rock that are broken off and moved by wind, water, or ice?
Sediments
Why does it get darker earlier and more colder in Autumn?
The Earth is tilted away from the sun so there is less light and heat from the sun.
Explain why leaves change colour in Autumn.
Less sunlight causes chlorophyll to fade, showing the leaf’s other colors
What are the two types of igneous rocks and how are they different?
Extrusive – forms when lava cools quickly on the surface
Intrusive – forms when magma cools slowly inside the Earth
What is a mineral? Give one example.
Something only found in nature that makes rocks.
Example: Gold, Iron, Potassium, Calcium, Quartz, Diamond etc.
What two processes break rocks into smaller pieces and move them to new places?
Weathering & Erosion