NATURAL SCIENCE 7 DE MAYO

1.     Open your book on page 77.

2.     Watch the video NATURAL SCIENCE 7 DE MAYO

3.     Copy in your notebook

MIXTURES

A mixture is when you put together two or more things.

In a mixture we can see different components, for example in a salad, we can see lettuce, tomatoes, carrot.

But there are some mixtures that we cannot see the different components, for example, we cannot see the different components in sea water or in the air.

4.     Copy and complete in your notebook the next exercise

1.Pure substances are made up of____________

a.     Only one substance

b.     More than one substance

2.Mixtures are made up of________________

a.     Only one substance

b.     More than one substance

3. Some examples of pure subtances are _____________

a.     Granite and air

b.     Oxygen and quartz

4.Most subtances around us are______________

a.     Mixtures

b.     Pure substances

5.When we put some sugar in coffee, _______________

a.     A new substance is formed

b.     A mixture occurs

6.We can identify a mixture of wáter and salt by allowing the water to______________

a.     Condense

b.     Evaporate