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WorksheetsY4 Science Recap Pt2
Total questions: 150
Worksheet time: 3hrs 9mins
The smallest possible piece of matter we can have is a ...
(a)
If these 9 images represent 9 substances, how many mixtures do we have?
(a)
When we increase the temperature of a substance, its particles move...
(a)
What state of matter does the picture below represent?
solid
liquid
gas
plasma
________ Easily compress.
Solids
Liquids
Gasses
In which state of matter will there be the LARGEST space between molecules?
Solid
Liquid
Gas
Which statement about the molecules in the gas carbon dioxide is correct?
The molecules are close together.
The molecules are diatomic.
The molecules move randomly.
The molecules all move with the same speed.
Which of these images best represents a solid or the particles in a solid?
Solids, liquids, and gases are made of tiny ________ too hard to see.
Models
Particles
solids
Science
True or False: In a liquid the particles are very close together, unlike a solid where the particles are spaced out.,
True
False
True or False: In a gas, the particles are very far apart compared to the particles in a solid or liquid.
True
False
The Particles of a Gas
The picture is an example of what state of matter?
Solid
liquid
gas
freezing
The heat from the sun is causing the water to _________.
evaporate
condensate
boil
freeze
The picture is an example of _____________.
freezing
evaporation
condensation
melting
What causes a solid to turn into a gas?
Cold temperatures
Heat
Pressure
This heat is causing the water to _____.
freeze
boil
melt
condensate
takes the shape of its container
solid
liquid
gas
both liquid and gas
particles vibrate in place
solid
liquid
gas
has a definite volume
solid
liquid
gas
both liquid and solid
has a definite shape
solid
liquid
gas
both liquid and gas
Evaporation
The temperature at which a substance changes from a liquid to a solid
The classification of matter as a solid, a liquid, or a gas
Physical change in matter from a liquid to a gas
The temperature at which a substance changes states from a solid to a liquid
At what temperature in degrees Celsius does water freeze?
150
0
200
32
Physical change in matter from a gas to a liquid
Condensation
Freezing point
Melting point
Evaporation
A student observed a liquid that boiled at 100°C. What type of liquid was boiling?
Salt water
Sugar water
Pure water
Lemon water
The temperature at which a substance changes states from a solid to a liquid
Freezing point
Melting point
Evaporation
Condensation
If water is left to boil, what statement is not true?
All the water will eventually evaporate.
The temperature of the water will eventually reach 200°C.
The temperature of the water will remain at 100°C until it evaporates.
The beaker with only 100 mL of water will boil away faster than the beaker with 200 mL of water.
What type of changes the appearance change but the substance is the same.
Physical
Chemical
Identify the following process: We light a matchstick.
Physical change
Chemical change
Identify the following process: The food and the air react.
Physical change
Chemical change
The initial substances before occurring the chemical reaction are called...
Reactants
Products
The new substances after occurring the chemical reaction are called...
Reactants
Products
What is the speed of this chemical reaction (rusting)
SLOW
FAST
A process in which one or more substances change into others different substances.
a chemical reaction
a mathematical equation
a chemical equation
Substances can __________, but not disappear
Explode
Change
React
Decay
Scientists use _________ to help them explain things that are too small to be seen.
Models
Chemicals
Observations
Evidence
In a _____ change, a substance changes into a different substance.
Physical
Chemical
What layer is the number 1?
Inner core
Outer core
Crust
Mantle
What layer is the number 2?
Inner core
Outer core
Mantle
Crust
What layer is the number 3?
Inner core
Outer core
Lower mantle
Crust
What layer is the number 4?
Inner core
Outer core
Crust
Upper mantle
What layer is the number 5
Inner core
Crust
What layer is the hottest?
Inner core
Crust
From what layer do we extract rocks?
Inner core
Mantle
Crust
Outer core
Which layer is the thinnest?
Inner core
Outer core
Crust
Upper mantle
What layer is liquid?
Crust
Outer core
As you travel from the inner core toward the crust, how would temperature, pressure and density of the material change?
They would all increase
They would all decrease.
They would stay the same.
Temperature would decrease, but pressure and density would increase.
What happens to the amount of pressure as you go deeper into the layers of the Earth?
increases
decreases
Why do scientists think that earth's inner core is solid?
High temperatures
High amounts of metal
High Pressures
Low temperatures
iron and aluminum
Magma is formed in the
Inner core
Mantle
Outer core
Stratosphere
4 What things are in volcanoes?
1. Lava
2.Water
3.Mud
9 What is the name for the lava underground?
Hot liquid rock under the Earth’s surface is known as
lava
solar
magma
ash
_____ is molten rock that has reached Earth's surface through volcanic vents.
Clava
Magma
Saliva
Lava
Two-thirds of the world's active volcanoes are found in
The Circle of Fire
The Ring of Fire
The Chain of Fire
The Crescent of Fire
Apart from lava, volcanoes also spew out ash, rocks and toxic gases.
False
True
Volcanoes can be found on...
land
underwater
other planets
all of the above
What are the 3 categories of volcanoes?
Active
Stinging
Extinct
Passive
Dormant
An extinct volcano is a volcano that hasn't erupted for at least
10 000 years
15 000 years
50 000 years
100 000 years
What can be formed when an undersea volcano erupted?
Coral
Island
Algae
Crude oil
Where is the area of the Ring of Fire located?
Indian Ocean
Arctic Sea
Atlantic Ocean
Pacific Ocean
Volcanoes can even be found in Antartica.
True
False
What is a volcano?
A weak spot in Earth’s crust where magma can come to the surface.
A mix of rocks, minerals, gases, and water from the mantle.
Hot semifluid rock that becomes solid rock as it cools off.
A special kind of mountain.
What is magma?
Hot semifluid rock that becomes solid rock as it cools off.
A mix of rocks, minerals, gases, and water from the mantle.
A weak spot in Earth’s crust where magma can come to the surface.
Hardened rock.
What is lava?
A weak spot in Earth’s crust where magma can come to the surface.
A mix of rocks, minerals, gases, and water from the mantle.
Hot semifluid rock that becomes solid rock as it cools off.
A really hot part of the mantle.
Where do volcanoes typically form?
At plate boundaries.
In the middle of tectonic plates.
What is a quiet eruption?
When magma flows easily and erupts quietly with gases bubbling out gently and lava oozing out quietly.
When trapped gases build up pressure until they explode with incredible force.
What is an explosive eruption?
When trapped gases build up pressure until they explode with incredible force.
When magma flows easily and erupts quietly with gases bubbling out gently and lava oozing out quietly.
What is an active volcano?
A volcano that has erupted at least once in the last 10,000 years.
A volcano that hasn’t erupted in the last 10,000 years, but could still erupt.
A volcano that should never erupt again.
What is a dormant volcano?
A volcano that has erupted at least once in the last 10,000 years.
A volcano that hasn’t erupted in the last 10,000 years, but could still erupt.
A volcano that should never erupt again.
Which of the following best describes an earthquake?
A large storm with very high speed winds
A violent shaking of the Earth that occurs when two tectonic plates bump into each other
A large cloud that generates rain, hail, and lightning
What do scientists call the boundary between two tectonic plates?
Vaults
Crusts
Faults
Mantles
What are the shock waves caused by an earthquake that travel through the ground called?
Electromagnetic waves
Seismic waves
Transverse waves
Infrared waves
What event happens when there is a sudden, violent shaking of the earth?
earthquake
deposition
construction
flowing rivers
How do we measure an earthquake?
Using a rope.
Using a ruler.
Using thermometer.
Using seismometer.
What happens in an earthquake?
Explosion occur.
Nothing happen.
Ground shakes and vibrates.
What kind of energy earthquake make?
Global energy.
Tidal energy.
Seismic energy.
a HABITAT is:
a type of animal.
a place where plants and animals live.
a big house for humans.
What are claws on an armadillo useful for?
To attract predators
To dig in the sand
To keep them warm in the winter
What does the shape of the Giant Water Lilly leaves do to help the plant survive in its environment?
Helps catch rainwater
Helps is stay on the waters surface
Helps attract small fish
Helps attract aquatic birds
What is an advantage of animals, like a giraffe, that have long necks?
Helps them reach further out into the watering holes
Helps them reach high to eat leaves from the tops of trees where other animals may not reach
Helps them scratch their backs
What traits are most useful in helping a cactus conserve water in the hot desert?
Large flowers and sweet fruit
Sweet fruit and sharp spines
Sharp spines and waxy stems
Which bird is best adapted for catching fish and frogs?
F
G
H
J
Which bird is best adapted for drinking nectar?
F
G
H
J
The picture shows flowers with an unusual shape. Which beak shape would best allow a bird to reach the nectar inside the flower?
Long and thin
Short and thick
Short and thin
Long and thick
Bullfrogs are Florida’s largest frog. Frogs spend part of their life cycles in water and part on land. Which physical characteristic is most useful for a water environment?
Thin skin
Large eyes
Webbed feet
Long, strong legs
Pelicans are birds that live in many water environments. They can live in large lakes, in marshy wetlands, and along beaches near the ocean. The picture shows a pelican. What does the pouch on its bill most likely help the pelican do?
Catch fish
Store water
Attack other animals
Balance when it walks
In the fall, a ground squirrel will store the energy from food as a thick layer of fat. What is most likely the reason for this adaptation?
It keeps the animal from being exposed to diseases in winter.
It keeps the animal from being eaten by predators that hunt during winter.
It helps the animal get exercise during winter when it is snowing.
It helps the animal survive a cold winter when there is very little food.
It is estimated that fewer than 100 Florida panthers are still living. Florida now has a protected habitat for the panther. How will the protected habitat affect the panthers?
The panthers will probably become extinct.
Panthers will no longer be adapted to living in Florida.
The Florida panther population will decrease in the near future.
The panther population may increase now that they are being conserved in a protected habitat.
Plants have various adaptations for survival. Some adaptations protect plants by discouraging animals from eating the flowers. Which of these is an adaptation that protects a rose from animals?
Tall stems
Sharp thorns
Large leaves
Soft flower petals
Physical characteristics that help an organism survive are called:
Habitats
Extinction.
Adaptations.
Learned behaviors.
The apple snail lives in ponds, lakes, and rivers. The apple snail is the largest snail found in the freshwaters of North America. The illustration shows an apple snail. How is the structure labeled X an adaptation for the apple snail?
The apple snail uses this structure to find food.
The apple snail uses this structure to reproduce.
The apple snail uses this structure to digest its prey.
The apple snail uses this structure to protect itself from predators.
Fur color, long limbs, strong jaws, and the ability to run fast are examples of _________.
Behavioral adaptaions
Structural adaptions
Both plants and animals will benefit from adaptations to improve their chances to survive.
True
False
Hibernation...
allows animals to survive when food sources are scarce, conserve energy, and protects them from predators.
allows animals to move to warmer places.
allows animals resemble an unpleasant animal and protect itself against predators.
Migration...
allows animals to survive when food sources are scarce, conserve energy, and protects them from predators.
allows animals to move to warmer places.
allows animals resemble an unpleasant animal and protect itself against predators.
Describe how camouflage helps animals survive.
So they will find a mate.
It will provide them shelter.
They can hide from prey and look different/dangerous.
What adaption helps an animal survive in cold weather?
smell
thick fur
food
shelter
Adaptation: Bear sleeping in a cave during the winter months
Physical Adaptation
Behavioral Adaptation
Color or pattern that helps an animal blend in with its habitat
Adaptation: Tulip-Tree Beauty Moth
Hibernation
Behavior Adaptation
Camouflage
Migration
Where an organism lives and is able to find all of the resources needed to survive, water, shelter, food, air, sunlight.
Ecosystem
Environment
Habitat
Organism
The colors & patterns on a turtles shell help it blend in with the forest floor. This is:
Hibernation
Habitat
Ecosystem
Camouflage
When an opossums plays dead. This is known as what type of adaptation?
Physical adaptation
Behavioral adaptation
A kangaroo has a pouch to protect its young. This is known as what type of adaptation?
Physical Adaptation
Behavioral Adaptation
Polar bears have compact ears, a small tail, and thick fur to keep themselves warm. These are all what type of adaptations?
Physical Adaptation
Behavior Adaptation
Birds migrate during the winter to less cold areas. What type of adaptation is this?
Behavioral Adapatation
Physical Adaptation
All living and nonliving things that live in the same place
Habitat
Ecosystem
Environment
Organism
Any living thing is called an
Environment
Camouflage
Organism
Ecosystem
What would happen to the fish in an area if all of the Great Blue Heron's went away?
There would be more fish in the area.
There would be less fish in the area.
There would be no fish in the area.
Nothing would change.
Check all items listed below that are non-living parts of an ecosystem:
Duck
Water
Tree
Air
Sun
Check all items listed below that are living parts of an ecosystem:
frog
tree
sun
fly
dirt
