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Worksheets2nd nine weeks review
Total questions: 60
Worksheet time: 53mins
What is being shown when two tug-of-war teams are competing against each other, and for
five minutes neither team is able to move the other side at all?
balanced forces
gravity
inertia
unbalanced forces
The diagram shows Mike pulling a wagon containing a substance. Which substance would require Mike to pull with a greater force?
gravel
ice
leaves
straw
What force will cause the ball to stop rolling across the field?
electricity
friction
gravity
magnetism
An object at rest will remain at rest
An object in motion will remain in motion. Which Law does this statement represent?
Newton's first law
Newton's second law
Newton's Third law
Law of acceleration is Newton's _____ law
first law
second law
Third law
Newton's third law states
an object at rest will remain at rest and an object in motion will remain in motion
For every action there is and equal and opposite reaction
Law of friction
What goes up must come down. Always pull and never pushes. Is
Gravity
Friction
pull
Electrostatic force
Which of the following is an example of a solution
salt water
soil
) sand and rocks
pure water
A folded sheet of paper is an example of
chemical change
Physical change
friction
gravity
a change in matter that forms a different type of matter
Chemical change
Physical change
Matter
Mass
Force
Change the motion of an object
Speed up an object
slow an object down
is kinetic energy
Inertia is
when an object resist a change in motion
When an object goes up
When an object is stop
when all the objects are added together
Sam is pushing with 25 (n) forces. Tom is pushing with 200(n) forces.What is the combined total net forces Tom and Sam is pushing the object?
225(n)
175(n)
0(n)
255(n)
Sally is kicking a soccer ball on a surface. The ball moves slowly and does not go very far. What can be the reason for this?
Gravity
friction
Potential energy
kinetic energy
The roads are super icy outside. Tim wants to add some friction to the icy roads. What is the best way for Tim to add more friction?
Add water
add more ice
add rocks
wait until it melts
Sue want to make sure her friends have an amazing time at her water slide party. She notice her friends are having a hard time sliding down the water slide. What can Sue do to make the slide smoother?
Add oil
add water
make sure the slide is in the sun
put a little dirt on the slide
Potential energy is
movement
not moving
moving and not moving
walking
First there is potential energy, then potential energy is leaving ,now I am full kinetic energy, now its getting slower. When it starts to get slower I am entering back into
potential energy
kinetic energy
both potential and kinetic energy
gravity
The term motion means
Movement
at rest
force
friction
The term unbalance forces
will move
will not move
will fall
will go up
a substance that cannot dissolve in a liquid
insoluble
soluble
mixture
particle
The correct type of mixture is ....
pure
solution
homogeneous
heterogeneous
The correct type of mixture is ....
pure
suspension
homogeneous
heterogeneous
A substance that dissolves another substance is called ….
solute
solvent
solution
substances
Hot coffee is the mixture of coffee powder, sugar, and water. The correct statement of the mixture is ….
A. water is solute, sugar and coffee powder are solvent
B. sugar and water are solutes, coffee powder is solvent
C. coffee powder and water are solutes, sugar is solvent
D. sugar and coffee powder are solutes, water is solvent
How could you separate sand and salt?
use a magnet
filter the sand out of salt
mix with water, catch salt that floats to the top
mix with water, filter the sand, evaporate water
What's easier to separate, a mixture or a solution?
mixture
solution
A student makes a mixture using water and 10 g of sand. How much sand will remain after 4 days of evaporating water from the cup?
10 g
9 g
0 g
What's the only way to remove a dissolved substance from a liquid?
magnets
filtering
evaporation
Why is a fruit salad easy to separate?
the fruit all changes color
all the parts are solids so you can pick them apart easily
the fruit dissolves in water
Why are decomposers important?
They break down dead animals and replace nutrients in the soil.
They provide energy to consumers.
They make their own food.
They keep the sun burning.
Which animal in this food chain is an herbivore and eats only plants?
wolf
hedgehog
fox
grasshopper
An animal that hunts other animals for food is a ___________
herbivore
predator
prey
energy
An animal that eats other animals is a __________.
An animal that eats only plants is an __________.
The original source of energy in any food chain.
Decomposers
Sun
Plants
Animals
producer
consumer
prey
It shows all the different things that animals eat in a habitat.
food chain
food web
pyramid of numbers
(a) is all the living and non-living things that exist and interact in one place.
All the members of one kind of plant or animal is called (a) ?
______ occurs when a species of plants or animals no longer exist.
Population
Food web
Scarcity
Extinction
Which of the following is a correct food chain?
grass - fox - rabbit
owl - mouse - seed
leaf - deer - wolf
leaf - snake - worm
A connection of food chains with many food energy paths in an ecosystem is a ____________
ecosystem
food web
environment
Which of these organisms would RECEIVE energy from the snake?
Who is the producer?
lettuce
greenfly
ladybird
thrush
In this image, the grass is the ______________.
Consumer
Herbivore
Carnivore
Producer
Which animals are at the top of the food chain in the food web?
tree and grasses
deer and frog
snake and mountain lion
hawk and mountain lion
This is an example of a
food chain
food web
bunch of animals
small to big list
A disease reduces the number of young salmon in a river. Which population will MOST likely increase as a result?
trout and eagle
algae and trout
sculpin and algae
Which lists animals that live in an aquatic ecosystem?
black bear, deer, vole
ducks, turtles, amphibians
panthers, monkeys, snakes
Which is a difference between abiotic and biotic factors?
Abiotic factors are plants and biotic factors are animals.
Abiotic factors are all living things and biotic factors are all nonliving things.
Abiotic factors are all nonliving things and biotic factors are all living things.
Which is most accurate in describing an estuary ecosystem?
High salt levels keep the water clear of nutrients and proteins.
Freshwater mixes with saltwater to provide a nutrient-rich environment.
Cold water mixes with saltwater to create a cooling effect that encourages growth.
A physical property of matter is
a way to classify/describe a substance with changing the substance
a way to classify/describe a substance by making educated guesses.
a way to classify/describe a substance by observing, testing or measuring.
a way to describe/classify a substance by asking others.
