STAAR Review 1
Why are fossil fuels considered nonrenewable?
They take millions of years to form
Light rays bouncing off a smooth, shiny surface is called
what is Reflection
This process drops off sediments in new locations.
What is Deposition?
A substance that does not dissolve is...
insoluble.
An organism that eats other organisms for energy.
A material that allows heat or electrical energy to pass through it easily
Conductor
If the sun is setting, where is the sun positioned at?
West
Give a structure of an animal that lives in a desert and explain how it helps it survive.
Large ears, Light brown colored fur , thick fur on feet, burrowing
In a food web , what do the arrows represent?
The flow of energy.
The Earth____ around the sun and this creates______.
Revolves and Seasons
What is force?
A push or pull on an object
when a liquid changes to a gas it is called
Evaporation
What tool would I use to find the mass of an object?
A balance scale or triple beam balance
They prevent or stop energy from passing through easily.
What is an Insulator?
This is a fossil fuel that is made from swamp plants
What is coal?
A U-shape valley is made by?
The movement of a glacier over a valley
What causes day and night everyday
Earth rotating on its axis
How long does it take for Earth to orbit the sun?
365 days
Process of water vapor cooling down to a liquid
What is condensation?
What is friction?
A force that resist motion.
This process is were plants lose water vapor through their leaves.
Transpiration
What causes the four seasons (fall, winter, spring, and summer)
The tilt of the Earth as it orbits or revolves around the Sun.
What do waxy coating and scaly skin have in common?
They both help retain water.
Straight
made from decomposing plants and animals over millions of years
What are Fossil fuels?
Natural gas, oil and petroleum are all made from...
Ancient plants and animals.
long term weather patterns usually over 30 years.
What is climate?
This is what an organism who breaks down dead things is called
What is a decomposer?
What is an Independent variable?
A variable that changes.
a path that one object takes around another object
What is an orbit?
This is the process of when something, like sediments, are taken away due to water or wind.
What is Erosion?
What creates the apparent motion of sun and the stars?
Earth rotating on its axis.
What made a V-shape valley?
Moving water in a river
The moon is Earth's natural_____.
Satellite.
Why are producers so important in a food web?
Producers are super important in a food web because they are the starting point of all energy.
An open circuit means the light will be
off
break down dead material
What are decomposers?
Formed by the erosion and deposition of sand by the wind.
Sand dune
What could be added to a glass of room temperature water to cause condensation to form on the outside of the glass?
Ice cubes.
Which step describes " Compaction "?
Step 1:Existing rocks are broken down into
small pieces of sediment.
Step 2:Sediment is transported by wind or
water.
Step 3:Sediment drops out of air or water as the
wind or air out.
Step 4:The sediment is squeezed together
pushing water or air out.
Step 5:Minerals that are dissolved in water stick
to sediment as the water evaporates and
the minerals become solid again.
Step 4
A substance that was mixed with water sinks to the bottom and is no longer visible. This substance is?
A soluble substance.
triangle area of land at the mouth of a river. It forms from the dirt, rocks, and sediment the river carries and drops off as it slows down.
Delta