Identify each landform on the picture below.
Drugi mogući odgovor:
wide valley
sand dune
cliff
delta
canyon
mesa
Fill in the blanks to complete the passage.
Matter is classified based on its physical . Let’s describe the properties of a copper penny. The amount of matter the penny has is known as . The penny’s physical state is a . The penny sinks in water, which means it is dense than the water. It does not dissolve in water, therefore it is not . The copper penny electrical and thermal energy.
Fill in the blanks to complete the passage.
A is an electrical device that provides a path for electrical current to flow. Electrical current flows through a(n) circuit and does not flow through a(n) circuit.
Fill in the blanks to complete the passage.
Light travels in a line. When light bends as it travels through a medium, occurs. When light bounces back off an object,
occurs.
Sort the items below based on their ability to reflect or refract light.
a shiny car
bathroom mirror
fish tank
chrome (shiny metal)
glasses
binoculars
Reflection
Refraction
Fill in the blanks to complete the passage.
Sedimentary rocks and fossil fuels take a long time to form. There are different processes that led to each of them being formed.
Sedimentary rocks are formed when are in a new place. Then, and cementation occur over many years change the sediments into sedimentary rock.
Fossil fuels, such as coal, , and natural gas are created from dead organisms that underwent heat and for of years.
Fill in the blanks to complete the passage.
is the breaking down of rocks on Earth’s surface. moves sediments from one place to another. occurs when are dropped off in a new place. There are three main causes of weathering, erosion, and deposition are wind, , and ice.
Identify each landform on the picture below.
Match the landforms on the left to the primary process that formed each one.
delta
cliff
mesa
canyon
wide valley
sand dune
Wind
Water
Ice
Place the order of events in the formation of sedimentary rock.
The sediments
are deposited
at the bottom
of lakes and
oceans.
The sediments
are
compacted
by pressure
on top and
cemented by
water.
Rock is
broken down
into
sediments.
After
cementation
and
compaction
for many
years,
sedimentary
rock is
formed.
Place the order of events in the formation of coal.
Millions of
years ago,
plants in
swamps
collected
energy from
the sun.
Heat and
pressure
changed the
remains into
coal.
Water and
dirt piled on
top of the
plant remains.
The plants
died, forming
layers.
Fill in the blanks to complete the passage.
Earth on its once every 24 hours. Earth’s causes day and . The sun rises in the each morning and sets in the each evening.
Fill in the blanks to complete the passage.
Animals can use components of their ecosystem like manmade structures, rocks, shells, and dirt as shelter. Animals use components of their ecosystem like plants and other animals as food.
Categorize the items on the left as interacting with a living component or a nonliving component.
A squirrel drinks water from a pond
A hawk building its nest with twigs and branches
A cheetah catches an antelope for a meal
A badger digs a den in the dirt
Interacting with Living Component
Interacting with a Nonliving Component
Fill in the blanks to complete the passage.
A food web shows the flow of through an ecosystem. Arrows represent the direction energy moves through a food web. A is an organism that makes its own energy. A must eat in order to get the energy it needs. A breaks down dead material and returns nutrients to the soil.
Fill in the blanks to complete the passage.
The , or purpose, of a camel’s foot is to allow it to walk easily through sand. This structure allows the camel to in its environment.