Materials and forces

The process where solid changes into liquid is called...

• Solidifying

• Melting

• Condensing

• Evaporating

The process where liquid changes into gas is called...

• Solidifying

• Melting

• Condensing

• Evaporating

The three states of matter are: solid, gas and...

The process where gas changes into liquid is called...

• Solidifying

• Melting

• Condensing

• Evaporating

The process where liquid changes into solid is called...

• Solidifying

• Melting

• Condensing

• Evaporating

Materials that are found in nature are...

• Raw materials

• Man-made materials

• Non-materials

• Wild materials

Materials that are made by transforming or combining materials are called...

• Raw materials

• Man-made materials

• Non-materials

• Made-up materials

Write one example of a raw material.

Write one example of a man-made material.

When we talk about materials that are difficult or easy to scratch, we refer to its...

• Hardness

• Flexiblity

• Resistance

• Conduction

• Solubility