Review Summative Test in Science

1. Leah loves to drink milk tea. This food drinks contain a lot of sugar. Which is TRUE about milk tea for human health?

• Useful

• Harmful

• Sugar in milktea is harmful if taken in excess

• Sugar in milktea is useful if taken in excess

2. Rings, necklaces, and watches are examples of jewelries. Which material is best to use in making jewelries.

• a. ceramics

• b. metals

• c. plastics

• d. wood

3. Plants have properties that make them practical source of foods. Which property make them good source of foods?

• a. resistance

• b. mechanical

• c. chemical

• d. physical

4. Jewelries are made from metals which can be into thin sheets without breaking. They can also withstand wear, pressure, and damage. Which properties best describes jewelries?

I. Malleability

II. Electrical Conductivity

III. Durability

IV. Elasticity

• a. I and II

• b. I, II and IV

• c. I and III

• d. I only

5. Metals are used at home for variety of purposes. If the electrician will install electrical light in your kitchen, which material (s) is/ are practical to use? I. Gold II. Silver III. Copper IV. Aluminum V. Stainless

• a. I and II

• b. III and IV

• c. III only

• d. V only

6. The physical property of metals that defines their ability to be hammered, pressed, or rolled into thin sheets without breaking.

• a. malleability

• b. hardness

• c. elasticity

• d. durability

7. Ability of the materials to conduct electricity.

• a. malleability

• b. electrical conductivity

• c. elasticity

• d. durability

8. This refers to the ability of the material to withstand wear, pressure, or damage.

• a. malleability

• b. hardness

• c. elasticity

• d. durability

9. Refers to the ability of a solid to return to its original shape after being stretched.

• a. malleability

• b. hardness

• c. elasticity

• d. durability

10. This is the ability of a material to exist for a long time without significant deterioration in quality.

• a. malleability

• b. hardness

• c. elasticity

• d. durability