WorksheetsDLD Science Review December 6
Total questions: 25
Worksheet time: 18mins
Organisms that make their own food are called...
Decomposers
Consumers
Producers
Creators
Organisms that have to eat other organisms for energy because they are unable to create their own are called...
Consumers
Decomposers
Producers
Animals
Organisms that get their energy by breaking down dead or decaying organisms are called...
Breakers
Consumers
Producers
Decomposers
The arrows in the food chain show_______.
The path that the nutrients flow
Animals in order of size
Animals in alphabetical order
They are there for decoration
Humans are part of the ecosystem and therefore impact it. Which of the following events in an ecosystem may produce a negative effect?
Preventing deer from depleting food resources.
Restoring a natural habitat.
Wildlife rangers minimizing disturbances.
A lumber company clearing a forest.
Alligators are the large predators that eat many of the smaller animals in a swamp. How might removing the alligators from a swamp habitat create a decrease in vegetation?
Meat-eating animals would begin eating plants.
The plants in the swamp would get more sunlight.
More plant-eating animals would survive.
Plants would not be able to spread their seeds.
A meadow has too many rabbits. What would help balance this ecosystem?
more rain that grass needs
fewer foxes that eat rabbits
more foxes that eat rabbits
more grass for the rabbits to eat
The arrows in a food chain show the flow of __________.
eating
sunlight
energy
time
The diagram shows a grassland food chain. If the mice are removed from this food chain, which animal population would most likely be affected first?
Plant seeds
Field Mice
Snakes
Mountain Lions
A push or pull on an object
energy
speed
force
work
a force that attracts things to Earth.
gravity
force
inertia
motion
Pulley
Inclined plane
Lever
Screw
Wheel and axle
Wedge
Lever
Pulley
Wheel and axle
Screw
Wedge
Screw
Lever
Inclined Plane
Pulley
Examples of simple machines: (choose three)
Wheel and axle
Bike
Pulley
Wedge
Train
Name this simple machine.
Lever
Wedge
Pulley
Inclined Plane
When liquid water is turned into a gas called water vapor, caused by the sun, it is called...
evaporation
condensation
precipitation
run-off
Which step of the water cycle is described correctly?
Condensation occurs when vapor turns into a liqid.
Evaporation occurs when vapor turns into a liquid.
Precipitation occurs when water flows across the land.
Run-off occurs when water falls from the sky.
Look at the picture. What process is happening in Y?
evaporation
condensation
precipitation
run-off
What is the energy source for the water cycle?
sun
wind
rain
oceans
__________________ clouds are high clouds that look like feathers.
Cumulus
Stratus
Cirrus
Cumulonimbus
