Science 4 Q1,Summative Test No. 1 Reviewer

What do you call the materials that allows water to pass through?

• Non-porous Materials

• Porous Materials

• Biodegradable Materials

• Non-biodegradable Materials

Cotton is a material that allows air and water to pass through it. How will you classify this material?

• It sinks.

• It does not absorb water.

• It is a porous material.

• It is a non-porous material.

A glass of water spilled on the table. You want to dry the table at once. What are you going to use?

• cotton

• rug made of cloth

• tissue paper

• handkerchief

Absorption is the process of taking in liquids in a gradual manner. A material that can take in liquids like water is known to be absorbent or porous materials.

• True

• False.

Which of the following statement is INCORRECT?

• A porous material has tiny holes that allow liquid to pass through.

• A material is absorbent if it is porous.

• A nonporous material repels liquid because of its smooth surface. A material is nonabsorbent if it is nonporous.

• Porous materials have no holes which does not allow liquid or air to pass through like plastic, metals and glass.

Sponge is an example of ______.

• Non-porous or non-absorbent material

• Porous or absorbent material

• Not so porous material

In Science Module that you are working, materials are classified based on their ability to absorb water, ability to float and sink and ability to undergo decay.

• True

• False

Which of the following is NOT a porous or absorbent material?

• cotton

• plastic bottle

• cloth

• sponge

The materials in the picture are classified as ________.

• Porous or absorbent materials

• Non-porous or non-absorbent materials

• None of the above is true.

What kind of clothing material or fabric is best to use when playing sports or doing strenuous activities that will make you perspire a lot? Why? Choose the best statement.

• One of the fabrics used in creating sportswear is polyester. It is a synthetic fiber that is lightweight and nonabsorbent. Clothes that are made up of polyester is best to use when you are engaged in sports or strenuous activity. If you do not have polyester-made clothes, you can choose to wear cotton shirts or pants. Cotton clothes can also be used as a sports attire. Since cotton is absorbent, it can easily absorb the sweat and keep your skin dry

• One of the fabrics used in creating sportswear is velvet. It is a synthetic fiber that is lightweight and nonabsorbent. Clothes that are made up of velvet is best to use when you are engaged in sports or strenuous activity. If you do not have velvet-made clothes, you can choose to wear satin shirts or pants. Satin clothes can also be used as a sports attire. Since satin is absorbent, it can easily absorb the sweat and keep your skin dry.