5th Grade Science
Organisms that make their own food.
Producers.
This is what Earth spins on.
Its axis.
An organism that eats only meat.
Carnivore
Push or pull on an object
Force.
This is what an herbivore eats.
Producers or plants.
The Earth spinning on its axis causes this to happen.
Day and Night
True or False
rocks, water, and dirt are biotic things
False
The moon seems to shine because it reflects this
The Sunlight
Where do producers get energy?
The Sun
A diagram that shows the flow of energy from one organism to another.
Food Chain
A small fish will eat other smaller fish, or algae from a lake. It is known as an ___
Omnivore
Biotic things are:
a. Living b. Non- Living c. Natural things
d. Sand
a. Living
How does energy flow through ecosystems?
a. Consumers → producers → decomposers → the Sun
b. The Sun → consumers → producers → decomposers
c. The Sun → producers → consumers → decomposers
d. Producers → the Sun → decomposers → consumers
c. The Sun → producers → consumers → decomposers
Organisms that eat other organisms.
Consumers.
This is resistance of motion.
Friction.
An organism that eats both plants and animals.
Omnivore
When the Earth moves around the sun, this is called…
Revolution
Organisms that break down dead organic material.
Decomposers.
Which of the following organism is a secondary consumer in the food chain? A) hawk B) gorilla C) squirrel D) earthworm
A) Hawk
Consider this food chain: blackberries=> bird=> cat Which organism is the carnivore?
Cat
What is the source of all energy in an ecosystem
a. producers b. consumers
c. decomposers d. sun
d. Sun
Which of the following is an abiotic factor?
a. Sun b. Rain
c. Soil d. All of these are abiotic factors
Jupiter, Saturn, Neptune, and Uranus are this type of planet.
Outer Planet or Gas Giant
Which best describes grasses, shrubs, and trees?
a. producers b. consumers
c. decomposers d. scavengers
a. Producers
What is responsible for things falling?
Gravity
A network of food chains that have some links in common.
Food Web
What is one thing that non-living things don't give us?
a. food b. air c. water d. sunlight
a. Food
A predator is an organism in any ecosystem that consumes ___________.
Prey.
Why are decomposers important organisms in a food web? A) They produce oxygen. B) They prey on carnivores. C) They are food for producers D) They return nutrients to the soil
D) They return nutrients to the soil
In some parts of the ocean, water with higher salinity becomes denser and sinks, helping create large movements of water around the globe. What are these large movements of ocean water called?
What are ocean currents.
A certain type of bear mainly eats trout. If the trout population declines, what will most likely happen to the bear population?
It will decrease
Consider this food chain: grass=> grasshopper=> mouse => snake Which organism is an herbivore?
Grasshopper
Which type of organism is a fungus? A) carnivore B) omnivore C) herbivore D) decomposer
D) Decomposer
Jonathan pulls his chair out to sit down. Is that an example of a balanced or unbalanced force?
Unbalanced
This is responsible for day and night.
rotation of the earth
How long does it take Earth to orbit around the sun?
1 Year or 365 days.
Consider the food chain: grass=> grasshopper=> frog=> snake. What would happen in the ecosystem if the grasshopper population died? A) snakes would eat the grasshopper B) it would be fine, frogs prefer other insects anyway C) it would be fine, the grass population would increase D) the frog population would die from the decrease in their food supply
D) the frog population would die from the decrease in their food supply
Sarah places three identical plants in different locations: one in full sunlight, one in partial sunlight, and one in the shade. She measures how tall they grow after four weeks. The amount of sunlight each plant receives is either independent or dependent variable. Which is it?
Independent Variable
Which of the following is a biotic resource of an ecosystem? (a) Sun (b) Water (c) Tree (d) Rock
c. Tree
Cold, nutrient-rich water rises from the deep ocean to the surface near coastlines, helping sea life thrive. This process is called
Upwelling