1st Quarter EQT Review

Freezing water, painting a wall, and melting

butter are all examples of physical changes in matter. Burning wood

produces a

__________ Change in matter.

Chemical change

The body system that enables

organisms to make copies of

themselves (offspring) is the

_____________ __________.

Reproductive system

A food chain BEGINS with a _________, which gets its energy from the

sun.

Producer

The major organ(s) of the respiratory

system are the ____________.

Lungs

When organisms die or produce wastes in the

food web, it is an organism called a

__________ that breaks down these materials

into simpler substances that plants can use.

Decomposer

Chalk, flour, baking soda, and baby

powder would be considered

________, while vinegar, lemon juice, and apple

juice are considered acids.

Bases

Scientists use the term __________ to describe a “long-term relationship between two different

kinds of organisms which is beneficial to

one or both organisms.”

Symbiosis

We can conclude that a _________ __________ has occurred if a substance has changed into another substance.

Chemical change

A “lion eating a zebra” _____an

example of symbiosis.

Is not

Combustion is a __________

__________ because a new substance

has been formed by burning.

Chemical reaction

An __________ is defined as “living

and nonliving things within an area and their interactions.”

Ecosystem

A pond food chain will begin with

algae, which is a _________, followed by worms, small fish, and frogs, which are all ___________.

Producer

Consumers

The excretory system is

responsible for removing ________

from the body.

Waste

When vinegar and baking soda are

combined, a gas is formed. Vinegar is a/an _________ and baking soda is a/an

_________.

Acid

Base

Within an ecosystem, there are _______ which

are “populations of organisms living

together.”

Communities

When food chains overlap, we call

this a _______ _______, which

shows the different pathway for the

flow of energy in an ecosystem.

Food web

The type of relationship that

exists when a snake eats a mouse is a

_______________ relationship

Predator /prey

A chemical reaction that gives off

carbon dioxide bubbles could be accomplished by

mixing baking soda and __________,

which is an acid.

Vinegar

Species, such as “deer”, living in the same environment make up a _____.

Population

Photosynthesis is an example of a _______ ________ because the plant is converting

light energy into food and the substance is actually changed.

Chemical reaction

Freezing water, painting a wall, and melting

butter are all examples of physical changes in matter. Burning wood

produces a

__________ Change in matter.

Chemical change

The body system that enables

organisms to make copies of

themselves (offspring) is the

_____________ __________.

Reproductive system

A food chain BEGINS with a _________, which gets its energy from the

sun.

Producer

The major organ(s) of the respiratory

system are the ____________.

Lungs

When organisms die or produce wastes in the

food web, it is an organism called a

__________ that breaks down these materials

into simpler substances that plants can use.

Decomposer

Chalk, flour, baking soda, and baby

powder would be considered

________, while vinegar, lemon juice, and apple

juice are considered acids.

Bases

Scientists use the term __________ to describe a “long-term relationship between two different

kinds of organisms which is beneficial to

one or both organisms.”

Symbiosis

We can conclude that a _________ __________ has occurred if a substance has changed into another substance.

Chemical change

A “lion eating a zebra” _____an

example of symbiosis.

Is not

Combustion is a __________

__________ because a new substance

has been formed by burning.

Chemical reaction

An __________ is defined as “living

and nonliving things within an area and their interactions.”

Ecosystem

A pond food chain will begin with

algae, which is a _________, followed by worms, small fish, and frogs, which are all ___________.

Producer

Consumers

The excretory system is

responsible for removing ________

from the body.

Waste

When vinegar and baking soda are

combined, a gas is formed. Vinegar is a/an _________ and baking soda is a/an

_________.

Acid

Base

Within an ecosystem, there are _______ which

are “populations of organisms living

together.”

Communities

When food chains overlap, we call

this a _______ _______, which

shows the different pathway for the

flow of energy in an ecosystem.

Food web

The type of relationship that

exists when a snake eats a mouse is a

_______________ relationship

Predator /prey

A chemical reaction that gives off

carbon dioxide bubbles could be accomplished by

mixing baking soda and __________,

which is an acid.

Vinegar

Species, such as “deer”, living in the same environment make up a _____.

Population

Photosynthesis is an example of a _______ ________ because the plant is converting

light energy into food and the substance is actually changed.

Chemical reaction