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 the result when two or more substances are combined but do not form a new substance, like a bowl of cereal or a salad.
a mixture
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
These are the three primary states of matter commonly found on Earth.
solid, liquid, gas
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.
If you melt 50 grams of ice, the resulting liquid water will weigh this much.
50 grams
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
It takes approximately this many days for the Moon to complete one full revolution around the Earth.
about a month - (27 - 29 days)
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
When sugar "disappears" in tea, the mass of the tea increases because the sugar is still there; it has simply done this.
dissolved
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
This type of change occurs when a substance is transformed into a brand-new material with different properties, such as wood turning to ash.
chemical change
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
Building dams or clearing forests are examples of how this species can significantly change Earth's systems.
humans
These organisms, such as bacteria, fungi, and worms, are responsible for breaking down waste in a compost pile
decomposers
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
A student pushes a box, but it doesn’t move. This means the forces are…
Balanced
This type of change occurs when a substance is transformed into a brand-new material with different properties, such as wood turning to ash.
a solution
While it looks like the Sun is moving across the sky, this "apparent motion" is actually caused by the Earth doing this.
rotating around its axis (rotation)
Folding a piece of paper, melting an ice cube, or breaking a glass bottle are all examples of this type of change.
physical change
This "brown gold" is created when organic waste, like food scraps and leaves, breaks down over time.
compost
Three things that make a good composter are:
ability to mix (to get air throughout for decomposers to breathe)
moisture
decomposers
greens and browns in the right balance
This type of resource, such as solar or wind energy, can be replaced naturally and doesn't run out.
renewable resource
This is the name for water that soaks into the ground and is stored in underground rock layers.
groundwater