Science Grade 3.3

Study the weather forecast above carefully!

According to the weather forecast, the cloudy day is ....

• Tuesday and Saturday

• Tuesday and Sunday

• Wednesday Sunday

• Wednesday and Thursday

The property of these rubber is ....

• transparent

• strong

• soft

• flexible

The suitable property of a raincoat window is ....

• flexible

• transparent

• waterproof

• soft

The correct statement to compare the shoe and the

pencil is .....

• the shoe is smaller than the pencil

• the shoe has greater mass than the pencil

• the shoe and the pencil have the same masses

• the shoe and the pencil are made of same materials

Overhead power cables are ... to prevent them from snapping in cold weather.

• cut shortly

• hung loosely

• hung tightly

• made thicker

Nathan had a jam bottle. His bottle was filled to the top with liquid and covered with a cap. When the bottle was placed in a hot place, some liquid flowed out of the bottle. It happened because . . . .

• the bottle had expanded

• the water inside had contracted

• the cap had contracted

• the cap had contracted

To prevent the liquid from overflowing, Nathan should . . . .

• put the bottle into a bowl of ice cube

• put the bottle into a bowl of hot water

• turn the bottle over and immerse the cap in a bowl of ice cube

• turn the bottie over and immerse the cap in a bowl of hot water

Below are harmful result of changes in materials, except . . . .

• breaking wooden pencil

• wrapping food with aluminium foil

• cracking walis

• breaking a ceramic cup

Read the statements below carefully!

1). Popsicle melting

2). Ripping a piece of paper

3). Breaking a stick

4). Pressing a rubber ball

Examples of permanent changes are . . . .

• (1) and (3)

• (2) and (3)

• (1) and (4)

• (3) and (4)

Weather is the state of the _______ around us over a short period of time.

• air

• trees

• water