Science 6 - Techniques in Separating Mixtures

Identify the method of separating solid to solid mixtures: Fine flour and lumpy flour

• A. Handpicking

• B. Sieving

• C. Using a Magnet

• D. None

Identify the method of separating solid to solid mixtures: Sand and gravel

• A. Handpicking

• B. Sieving

• C. Using a Magnet

• D. None

Identify the method of separating solid to solid mixtures: Sand and palay

• A. Handpicking

• B. Sieving

• C. Using a Magnet

• D. None

Identify the method of separating solid to solid mixtures: Scrap iron and nail

• A. Handpicking

• B. Sieving

• C. Using a Magnet

• D. None

This process involves separating big and fine mixtures through the use of a sieve

(salaan) or a winnower (nigo).

• A. Handpicking

• B. Filtering

• C. Magnetizing

• D. Sieving

In using hands, a sieve and a magnet for separating components of a mixture, in what state do the components may be?

• A. Gas

• B. Liquid

• C. Plasma

• D. Solid

Why is magnet best to be used in separating metal from non-metal component in a mixture?

• A. It keeps two components together.

• B. It combines metal and non-metal component.

• C. It is attracted to metal than to a non-metal component.

• D. It is attracted to non-metal than to a metal component.

Suppose you were in a laboratory performing the activity of mixture. Then, you accidentally combined your iron fillings with the sugar. Which would be the best way to separate that?

• A. Place them into the container with water to dissolve sugar.

• B. Separate them with the use of tweezers.

• C. Separate them with the use of magnet.

• D. Use a fine mesh screen.

Your mother asks you to help her in the preparation of ingredients for cooking. She wanted you to separate the mixture of mongo, garlic and onions which were accidentally mixed because the plastic containing these ingredients burst. What will you do to separate each component?

• A. Separate each component by using a magnet

• B. Separate each component after they are cooked.

• C. Separate each component by just using your hands

• D. Separate each component by mixing them in a glass of water

When solid does not dissolve in liquid, we call it .

• A. Insoluble solid

• B. Miscible solution

• C. Mixture

• D. Soluble solid