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
What are the steps to seperate sand, sugar and water?
First, run the solution through a filter paper and then evaporate the water.
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 Earth____ around the sun and this creates______.
Revolves and Seasons
What is friction?
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
How many days does it take for the lunar (moon) cycle?
28 to 29.5 days
They prevent or stop energy from passing through easily.
What is an Insulator?
This is a fossil fuel that is made from swampy plants
What is coal?
A U-shape valley is made by what agent and what two processes ?
The movement of a glacier over a valley. The glaciers weathers and erodes the land.
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?
3 components to have a complete circuit
1. Load
2. Battery
3. Conductors
Define condensation
Water vapor turns into a liquid.
What causes the four seasons (fall, winter, spring, and summer)
The tilt of the Earth as it orbits or revolves around the Sun.
Light that changes position when changing mediums
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?
The sun appears to move across the sky west to east . Why?
The earth is spinning on its axis making it look like the Sun is moving ( Apparent motion of the Sun)
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?
These 2 fossil fuels require marine animals and plants.
Oil and natural gas.
What is an Independent variable?
A variable that changes.
What is a controlled, dependent and independent variables?
Controlled- remains the same
Independent - Variable that changes
Dependent- What is being observed or tested/
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.
This is a circuit that does not work.
Open circuit
Formed by erosion and deposition of sediments near the mouth of a river.
river delta
Formed by the erosion and deposition of sand by the wind.
Sand dune
Describe summer and describe winter.
Summer has longer days and hotter temperatures and winter has shorter days and colder temperatures.
Describe the Sedimentary rock cycle.
WEDCC
W-breaks rocks
E- Moves away
D-Drops off
C- Squeeze out air and water
C- Glues together and becomes a solid
Describe a shadow after 12 pm.
Clue: Grows larger or smaller and points to the??
Shadow will grow larger and point to the East.
What physical property could I use to separate liquids? It is a tested property.
Relative density
A plant who has large leaves can found in what habitat? why?
A rainforest and the reason is to collect sunlight.
The sun is rising in the East sid, would the shadow point to the East or to the West and would the shadow be short or long?
Points to the west and the shadow will be longer.