NAP ART G5 (PASS)

Which of the following classifications are used in segregating waste materials?

• Biodegradable and non-biodegradable

• Flammable and non-flammable

• Hazardous and non-hazardous

• Recyclable and non-recyclable

All of the following are properties of solids EXCEPT _______.

• brittleness

• elasticity

• malleability

• volatility

The following can be used to clean up spilled milk on a tabletop EXCEPT ____.

• cloth

• paper cardboard

• styrofoam

• tissue

“Double-dead” meat or botcha are at times sold in the market at very low prices. It is not safe to buy and eat this meat. Which of the following is the best reason  why it is unsafe to consume “double-dead” meat?

• All of the following

• The process of decay for these animals has started already once they died.

• The diseases of the animals may be passed on to humans who will consume the meat.

• The bacteria that are in the meat are dangerous to one’s health and cause sickness.

Which of the following waste materials will last the “longest”?

• broken glass

• food scraps

• old cardboards

• used clothing

Which is an example of a chemical change?

• bending of wire

• boiling water

• burning paper

• cutting of wood

Which situation shows that water is undergoing a change of state?

• Water flows from a faucet

• Waves form at the surface of a swimming pool

• A rag wipes and absorbs spilled water on the floor

• The level of water inside a drinking glass decreases

All of the following are ways that contribute to the emission of carbon dioxide (CO2) which is considered as a greenhouse gas to the atmosphere EXCEPT _________.

• burning fossil fuels

• forest fires

• planting trees

• volcanic eruptions

Which of the following shows a chemical change in cooking oil?

• mixing the oil with water

• placing the oil in the freezer

• using the oil to fry fish

• transferring the oil from one container to another container

Which of the following situations describes a physical change?

I. Salt is dissolving in water.

II. Icebergs melting in the sea.

III. Fingernails growing over time.

IV. Fireworks showing different colors in the sky.

• I, III and IV only

• I, II and III only

• II and IV only

• I and II only