1Q-Quiz Review in Science 4

​Quiz Review in Science 4

Multiple Choice

What process by which organic substances are broken down into a much simpler form of matter?

• Adhesion

•  Decomposition

• density

Multiple Choice

 It is the ability of an object to sink or float on water.

• Adhesion

•  Decomposition

• density

Multiple Choice

It is formed when two or more substances are mixed together.

•  mixture 

•  Decomposition

• solution

Multiple Choice

What type of substance can be poured and takes the shape of its container?

• Liquid

• Solid

• Gas

Multiple Choice

When solid material is mixed with other solid material, the materials can be easily identified from one another. What type of mixture is formed? 

• homogeneous mixture

• heterogeneous mixture

• mixed materials

Open Ended

Write True if the statement is correct and False if not.

a.  Decaying materials are wastes that may cause harm to one’s health.

Open Ended

Write True if the statement is correct and False if not.

b.  Organic waste might be used for compost pits as fertilizers.

Open Ended

Write True if the statement is correct and False if not.

C.  Proper waste disposal should be observed at all times.

Open Ended

Write True if the statement is correct and False if not.

d.  Food waste should be thrown in bodies of water like rivers.

Open Ended

Write True if the statement is correct and False if not.

.e. Packaging provides protection from external influences such as          microorganisms.

Open Ended

 Write POROUS if the material absorbs water and NON-POROUS if not.

a. paper

Open Ended

 Write POROUS if the material absorbs water and NON-POROUS if not.

b. wood

Open Ended

 Write POROUS if the material absorbs water and NON-POROUS if not.

c. plastic bottle

Open Ended

 Write POROUS if the material absorbs water and NON-POROUS if not.

d. clothes

Open Ended

 Write POROUS if the material absorbs water and NON-POROUS if not.

e. metals

Fill in the Blanks

Write the correct answer. Choose answer from the underlined words below.

Non-Porous

Sinking Objects 

Biodegradable

a.  It occurs when the materials have high density.

Fill in the Blanks

Write the correct answer. Choose answer from the underlined words below.

Non-Porous

Sinking Objects

Biodegradable

b.  It does not allow water or other kinds      

of liquid to pass through them.

Fill in the Blanks

Write the correct answer. Choose answer from the underlined words below.

Non-Porous

Sinking Objects

Biodegradable

c. These materials can easily decompose      

due to external influences.

Fill in the Blanks

Write the correct answer. Choose answer from the underlined words below.

 Chemical Change

Homogeneous

Physical Change

 d. A change in material that has no new    

material is formed.

Fill in the Blanks

Write the correct answer. Choose answer from the underlined words below.

 Chemical Change

Homogeneous

Physical Change

e. A kind of mixture that you could not      

pick out or identify the substances.