Study

Matter

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In chemical changes the composition change, so new matter is formed and these changes can't be reversed (T/F)

True

Is shape a physical change?

Yes

Is salt soluble?

Yes

Which are the main ways to separate mixtures?

Filtration, evaporation and distillation

Homogeneous: we can see the separate substances (T/F)

False

Distillation: It is used to separate two liquids (T/F)

True

Physical properties of material

Hard/soft, Tough/fragile and Plastic/elastic

Materials that don't dissolve are...

Insoluble

Which are the properties of matter?

Volume, mass and density

Hot chocolate: heterogeneous or homogeneous

Homogeneous

Filtration: It is used to separate two liquids (T/F)

False

In physical changes new matter is made from these changes and they can be reversed (T/F)

True

Which are the three states of matter? (Water)

Gas, liquid and solid

Evaporation: It is used to separate an insoluble solid from an heterogeneous mixture (T/F)

False

Heterogeneous: we can not see the separate substances (T/F)

False

Is place a chemical change?

No

Name the four chemical changes

Rotting, rusting, burning and fermentation

Materials that dissolve are

Soluble

Mass is the amount of space that matter occupies (T/F)

False

Is metal a thermal conductor?

Yes

Density is the amount of volume that there is in the mass of an object (T/F)

False

Pepper in water is insoluble?

Yes

Give two examples of thermal insulators

Plastic and wood

Name the two changes in matter

Physical changes and chemical changes

Volume is the amount of matter in an object (T/F)

False