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Worksheets6th Grade FINAL Review
Total questions: 100
Worksheet time: 2hrs 41mins
How many layers does planet Earth have?
3
5
4
2
Name the layers of the Earth from the center out.
(a)
Which layer of the earth is the thickest?
Core
Mantle
Crust
Inner core
Which layer of the Earth is the hottest?
Mantle
Core
Crust
Lithosphere
The crust is broken into many large pieces called (a) plates.
What element is found in the inner core?
Copper
Basalt
Nickle
Iron
What two metals are found in the outer core?
Copper and Iron
Oxygen and Silicon
Iron and Nickle
Iron and Magnesium
What elements are found in Earth's crust?
Iron and Nickle
Basalt and Granite
Iron and magnesium
Copper and silver
What layer of the Earth does convection occur in?
The Core
The Crust
The Mantle
The Mantle is divided into ____________.
Lithosphere and Asthenosphere
Inner and outer
Oceanic and Continental
saving water through techniques like rainwater harvesting and waste reduction is energy _____________
technology
efficiency
conservation
research
desalination, purification systems, and smart meters
energy conservation
energy efficiency
technology
management
the careful use and protection of natural resources to ensure they are not wasted, overused, or depleted
energy conservation
energy efficiency
technology
resources
the ability to use resources in a way that minimizes waste while maximizing the benefit or output
energy conservation
energy efficiency
technology
resources
tools, machines, systems, or processes created to solve problems, improve resource management, or increase productivity
energy conservation
energy efficiency
technology
resources
To save energy we should:
use energy-saving bulbs
Use larger tv's
Avoid turning lights on and off
Keep the TV on
Which of the following is a way to reduce energy?
Turn ON all the lights
Turn OFF all the lights
Turn ON the heater to high heat
It is very cool outside an you feel very hot inside, what should you do?
Turn on the air- conditioner
Open the windows
Turn on the air conditioner and open the windows
Go out for a walk
To save energy you should: (check 2)
Take a cooler shower
Take a warmer shower
Take a shorter shower
Take a longer shower
Energy conservation can be achieved through which of the following?
Increasing the use of fossil fuels
Decreasing insulation in buildings
Using LED light bulbs
Driving more frequently
Which of the following energy conservation methods can reduce the carbon footprint the most?
Turning off lights when not in use
Using public transportation instead of personal vehicles
Recycling
Using energy-efficient appliances
Which of the following best describes energy efficiency?
Using less energy to perform the same task
Using more energy to perform tasks more quickly
The total amount of energy used by a country
The ability to create energy from new sources
Energy conservation means
reducing energy use
slowing down a chemical change
burning a fuel to release energy
using fossil fuels to produce electricity
Which of the following is an example of energy conservation?
not insulating your home
turning off the lights when not in use
driving your car alone into the city at rush hour
running the air conditioner in the upstairs of your house with using fans
What role does energy conservation play in sustainability?
It increases the consumption of natural resources.
It has no impact on sustainability.
It reduces the need for renewable energy sources.
It reduces the depletion of natural resources.
What is the smallest unit of life in an ecosystem?
Organism
Population
Community
Ecosystem
Which of the following best describes a population in an ecosystem?
A group of different species living together
A group of the same species living in the same area
All living and non-living things in an area
A single organism
In an ecosystem, what is a community?
A single organism
A group of the same species
Different populations living together
The physical environment
Which of the following is an example of a simple procedure in studying ecosystems?
Identifying the number of species in a community
Calculating the average temperature of an ecosystem
Describing the food chain in a habitat
Listing the types of plants in a forest
What term is used to describe all the living and non-living things in a particular area?
Organism
Population
Community
Ecosystem
Which of the following is a basic concept in the hierarchical organization of an ecosystem?
Food web
Habitat
Niche
Population
What is the role of a community in an ecosystem?
It consists of a single species
It includes all living organisms in an area
It is the physical environment
It is a single organism
Which of the following is NOT part of the hierarchical organization of an ecosystem?
Organism
Population
Community
Climate
What is the primary focus of the hierarchical organization in an ecosystem?
To study weather patterns
To understand the relationships between different levels of biological organization
To measure the size of an ecosystem
To identify non-living components
Which of the following best describes the term "ecosystem"?
A single organism
A group of the same species
A community and its physical environment
A population of plants
A bear fishes for salmon. What is the bear?
Predator
Prey
Mutualist
Parasite
A tiger kills a deer for dinner. What is the deer?
Predator
Prey
Mutualist
Parasite
A lion and a pack of hyenas are fighting for food that the lion killed. What is happening here?
Mutualism
Commensalism
Predator-Prey
Competition
This is when both organisms in the relationship are benefiting from their interaction.
Mutualism
Parasitism
Commensalism
Predator-Prey
In this relationship, one organism benefits, and the other is harmed in an interaction.
Mutualism
Commensalism
Parasitism
Predator-Prey
In this relationship, one organism benefits and the other doesn't get anything.
Mutualism
Commensalism
Parasitism
Predator-Prey
In this relationship, one organism hunts, kills, and eats the other organism.
Mutualism
Commensalism
Predator-Prey
Parasitism
In this relationship, organisms fight for resources necessary for survival. It could be things like food, water, space, light, or mates.
Predator-Prey
Mutualism
Parasitism
Competition
The Egyptian plover eats the scraps out of the Nile Crocodile's mouth. The plover benefits because it gets a meal. The Crocodile benefits because its mouth gets cleaned. This is an example of...
Mutualism
Parasitism
Commensalism
Predator-Prey
A tapeworm can get into animals (including humans) by eating undercooked or raw beef, pork, or fish from an animal that was infected. The tapeworm benefits by taking nutrients from the host, who is harmed. This is an example of...
Mutualism
Parasitism
Commensalism
Predator-Prey
A monarch caterpillar creates its cocoon on a milkweed plant. The caterpillar benefits because it gets a safe space to transform into a beautiful butterfly. The milkweed is not affected. This is an example of...
Mutualism
Parasitism
Commensalism
Predator-Prey
Bluestripe Snapper and Reef Lizardfish are
Competitors
Mutualizers
Predator-Prey
Producer-Consumer
Galapagos Shark and Flying Gurnard are...
Competitors
Mutualizers
Predator-Prey
Producer-Consumer
Jackrabbit and Bobcat are...
Competitors
Predator-Prey
Mutualistic
Producer-Consumer
Mule Deer and Jackrabbit are...
Competitors
Predator-Prey
Mutualistic
Producer-Consumer
What is a variation within a population?
A change in the environment.
Differences in traits among individuals.
A type of food that animals eat.
A new species forming.
How can variations in arm length benefit a population of monkeys?
Longer arms can help reach food in tall trees.
Shorter arms make it easier to swim.
Arm length has no effect on survival.
Longer arms make it harder to climb.
Why might variations in the wing pattern of monarch butterflies be beneficial?
They help butterflies fly faster.
They make butterflies more attractive to predators.
They can help with camouflage.
They make butterflies heavier.
In a cold environment, which variation might be advantageous for a population of animals?
Thicker Fur
Longer Tails
Brightly Colored Skin
Shorter Legs
What is a disadvantage of having too much variation in a population?
It can lead to more diseases.
It can make it harder to adapt to a specific environment.
It can cause the population to grow too fast.
It can make individuals look too similar.
How can variations help a population survive a sudden change in the environment?
By making all individuals identical.
Providing different traits might be beneficial.
By reducing the number of individuals.
By making the environment change back.
Which of the following is an example of a variation in a plant population?
.Identical flower colors.
The same height for all plants.
Different leaf shapes
Uniform root length.
What is one advantage of having variations in a population living in a diverse environment?
It allows the population to exploit different resources.
It makes the population more vulnerable to predators.
It causes the population to become extinct.
It reduces the population's ability to reproduce.
In a desert environment, which variation might be beneficial for a population of animals?
Ability to store water.
Brightly colored fur.
Short, thin legs.
Large, flat feet.
How can variations in a population lead to the development of a new species?
By causing all individuals to become identical.
By reducing genetic diversity.
By making the population smaller.
By allowing some individuals to survive and reproduce in different environments.
What is a potential disadvantage of having little variation in a population?
Increased ability to adapt to changes.
Greater risk of disease affecting all individuals.
More opportunities for finding food.
Easier to find mates.
Which of the following is an example of a variation that might be disadvantageous in a forest environment?
Camouflaged Skin
Brightly Colored Feathers
Ability to climb trees.
Sharp Claws
How can variations in a population affect its ability to compete for resources?
Variations can make competition more intense.
Variations can reduce the need for resources.
Variations can allow individuals to use different resources.
Variations have no effect on competition.
What is one way that variations can be introduced into a population?
Through genetic mutations.
By all individuals becoming identical.
By reducing the population size.
Through environmental changes alone.
In a population of fish, what variation might help some individuals survive in a polluted river?
Smaller Eyes
Brightly Colored Scales
Larger Fins
Ability to tolerate pollutants.
A ________ is a living thing.
organelle
cell
organism
multicellular
Who coined the term "cell" by looking at cork?
Hooke
Leeuwenhooke
Schwann
Virchow
Which is NOT a part of the cell theory
All organisms are composed of one or more cells.
The cell is the basic unit of structure and organization in organisms.
All cells come from preexisting cells.
The invention of the microscope allowed scientist to investigate plant and animal cells.
An __________ is a tiny cell structure within a cell that carries out a specific function.
organism
organelle
unicellular
cell
Who is the scientist that studied plants under a microscope and realized all plants are made of cells?
Hooke
Virchow
Schwann
Schleiden
When an organism is made up of more than one cell it is called ____________.
unicellular
organelle
multicellular
organism
The basic unit that makes up all living things is called ____.
cells
unicellular
organelle
organism
What is the name of the scientist who studied animal cells and realized all animals are made of cells?
Leeuwenhooke
Schwann
Virchow
Hooke
_________ is an instrument that makes small objects look larger.
cell
organisms
microscope
bacteria
What is the name of the scientist who provided research proving cells come from other cells?
Hooke
Schleiden
Leeuwenhooke
Virchow
A single celled organism is called _____.
cell
unicellular
organelle
multicellular
___________ made his own microscope and discovered bacteria. He called them "animalcules".
Hooke
Leeuwenhooke
Schwann
Schleiden
How did the microscope influence the development of cell theory?
Let to them asking more questions and making more discoveries.
Allowed scientist to investigate plants and animals in their world.
Realized that living things are made of cells.
All of the above.
A cell is
the smallest unit of life
the largest unit of life
not a living thing
a reptile
The nucleus contains
Mitochondria
Ribosomes
Cilia
DNA
Prokaryote cells do not have
Cytoplasm
Cell wall
DNA
Nucleus
Organelles are
small, specialized parts that carry out cell functions
all plants and animals
the force that pulls things to earth
only in plant cells
Eukaryotes include
plants, animals and prokaryotes
plants and fungi only
animals only
plants, animals and fungi
Fungi and plant cells have
cell walls
chloroplasts
vacuoles
nothing the same
What produces proteins that help the cell repair and grow?
Mitochondria
Ribosomes
Cell membranes
Golgi
What organelle produces energy for the cell
RIbosomes
Cell wall
Mitochondria
Endoplasmic reticulum
Which cells are most closely related
Plant and animal
Plant and fungi
Animal and fungi
The cells are not related
What are organisms that contain chloroplasts in their cells to capture energy from sunlight for growth and development?
Plants
Animals
Fungi
Prokaryotes
Which of the following statements is true about the size and shape of cells?
All cells are the same size and shape
All cells are the same size, but can be different shapes
All cells are the same shape, but can be different sizes
Different cells can have both different shapes and different sizes
Cell membranes are found in
Animal, plant, fungi and prokaryote cells
Only animal cells
Plant and fungi cells
Only prokaryote cells
Cell walls
Protect plant, fungi and prokaryote cells
Are found in animal cells
Make proteins
Protect animal and plant cells
The endoplasmic reticulum
Is where the DNA is found
Is where ribosomes make proteins
Is where the mitochondria make energy
Is not found in cells
Plant cells are different from fungi and animal because
they have a cell wall
they have a vacuole and chloroplasts
they have DNA
they have a nucleus
How do cells support evolution?
All living things are made of cells suggesting a common ancestor
Cells are really tiny
Not all living things are made of cells
Evolution is a theory
DNA creates different traits such as adaptations. An example of an adaptation is
A pebble eroded by water
The force that pulls objects down
A fish's color that allows it to blend in
An animal eating a plant
True or False: Dinosaurs had cells
True
False
True or False: Many species have become extinct throughout Earth's history.
True
False
True or False: Cells are not alive.
True
False
