Social Science 3º

Mountains, rivers and sea are...

• Natural Elements

• Man-made elements

• Natural and man-made elements

Volcanic eruptions and building roads cause...

• natural changes in a landscape

• man-made changes in a landscape

• natural and man-made changes in a landscape

The properties of rocks include...

• paper, toothpaste and paint

• hardness, colour and texture

• buildings, roads and monuments

Air is made up of..

• oxygen and nitrogen only.

• nitrogen and carbon dioxide.

• nitrogen, oxygen and other gases.

The water in rivers and lakes is...

• fresh water.

• groundwater.

• salt water.

The water in ice and snow...

• liquid.

• solid.

• gas.

Earth is between...

• Saturn and Mercury.

• Mars and Venus.

• Neptune and Jupiter.

It takes 365 days for...

• he Moon to orbit the Earth.

• the Earth to spin on its axis.

• the Earth to orbit the Sun.

Day and night are caused by...

• the Moon.

• rotation.

• revolution.

A century is...

• 1 000 years.

• 100 years.

• 10 years.