Science 6 Quiz # 2 (Oct. 1, 2021)

In sedimentation, the insoluble materials are allowed to settle at the bottom. These insoluble solids are known as ___________________.

It is a type of material made up of a porous, tiny mesh of fibers that allow water to pass through while leaving impurities or dirt stuck on its surface.

This method is used in separating a soluble substance from the liquid of the mixture part through heating or boiling. It is a process of changing a liquid into gaseous form or vapor.

It is a process of separating particles of different sizes through the use of a sifter or a sieve.

The filtered water or liquid that passes through a filter is called residue.

A ______________ is a kind of sieve often used to separate solids from liquids.

Which of the following metals is not attracted by a magnet?

Which of the following metals is easily attracted to a magnet?

In this method of separating grains, the bundled grains would be beaten against a hard object such as wooden platform, threshing rack, or steel oil drum.

In this method, the crops are being trampled by the farmers with their own feet or sometimes with the use of their animals' feet.

In these method, the rice straw can be threshed easily through the use of a treadle thresher that functions by using the foot crank.

For some farmers hand beating is much easier that trampling.

It is the process of separating the heavier components of the mixture from the lighter components with the help of the wind.

To produce salt, salt makers apply the _____________ process of separating mixtures.

It is a machine used in hospitals to separate blood components such as red blood cells, blood platelets, or plasma.