SCIENCE 4-QUARTER 1

Which object does NOT belong to the group?

• cotton

• cement

• cloth

• sponge

A group of students completed a float or sink experiment. They put four objects into a bucket of water. The objects were plastic bottle, plastic cup, disposable plate and steel spoon. Which material sink in this experiment?

• plastic bottle

• plastic cup

• steel spoon

• disposable plate

The following are decaying materials except ______.

• leaves

• fruit peelings

• paper

• steel

What do you do to change the physical properties of tin can and nail?

• bend

• press

• hammer

• cut

What happens to the solid materials when bent, pressed, hammered and cut? The materials may change their ____________.

• size

• texture

• shape

• size, texture and shape

Lito wanted to cook a buttered shrimp. He put a butter in the heated pan. What happens to the butter when heated?

• It turned into gas.

• It turned into solid.

• It turned into liquid.

• No changes at all.

Lita always drink her milk before going to bed. She mixed spoonful of sugar and milk in a glass of water. What happens to the sugar and milk when mixed with water?

• Completely dissolved in the water.

• Settled at the bottom of the container.

• Spread out evenly in the water.

• Partially dissolved in the water

Which of the following changes in the materials is useful to environment?

• throwing garbage in the canal

• using paper bags when shopping and buying food

• throwing hospital waste into the river

• throwing candy wrappers in the sea

Which of the following changes in the materials is harmful to the environment?

• throwing detergents into the sewage

• cutting and shaping lumber into chair

• cutting of fabric to be made into clothes

• cutting of wood to be made into table

Nico wanted to dispose their waste materials at home. What should Nico do with the decaying materials?

• Nico will make a compost pit or compost hip.

• Nico will mix decaying and non-decaying materials.

• Nico will throw the decaying materials in the river.

• Nico will keep the decaying materials in the cabinet and use them again.