Q1_QA SCIENCE 5 OPTIMISTIC I'IWI

Q1. What property of materials tells the feeling of an object’s surface when touched?

• a. Texture

• b. Size

• c. Shape

• d. Color

Q2. Which statement best describes thermal conductivity of an object?

• a. It is the ability of an object to stop heat from moving.

• b. It is the ability of an object to allow heat pass through it.

• c. It refers to the kind of material an object is made.

• d. It refers to the shape, and size of an object.

Q3. One of your projects in Home Economics is to make your pillow. What property of materials will you consider in making sure that your pillow is comfortable to use?

• a. Soft

• b. Smooth

• c. rough

• d. both A and B

Q4. You noticed that a metal décor in your living room becomes shiny when light strikes on it. What property of a material can you infer from this observation?

• a. Luster

• b. Opacity

• c. density

• d. texture

Q5. Gasoline easily catches fire. Based on the statement, what property of material does gasoline exhibit?

• a. Luster

• b. Density

• c. Flexibility

• d. Flammability

Q6. Sarah is looking for a material that she can use to cut her ribbons. Which of the following is best to use?

• a. Knife

• b. Scissors

• c. screwdriver

• d. fork

Q7. When is a material considered as harmful?

• a. A material is considered harmful when it brings danger to others.

• b. A material is considered harmful when it hurts other.

• c. A material is considered harmful when it causes sickness to others.

• d. All the above

Q8. A knife is useful in preparing and cooking food. What property of material makes it harmful too?

• a. Sharpness

• b. Flexibility

• c. density

• d. flammability

Q9. Which of the following will most likely undergo food browning the fastest?

• a. Lemon

• b. Banana

• c. coconut

• d. egg

Q10. What does food browning usually indicate?

• a. The fruit is starting to ripen.

• b. The fruit is starting to grow.

• c. The food is starting to cook.

• d. The food is starting to spoil.