1st Quarter Summative Test in Science 6

Which of the following is an example of a mixture?

• Mercury in the thermometer

• Seawater

• Calamansi Extract

• Water

Which of the following mixture is homogeneous?

• Coffee powder

• Seawater

• Soil and Rocks

• Stones and Pebbles

How does a heterogeneous mixture differ from a homogenous mixture?

• A heterogeneous mixture is difficult to mix.

• A heterogeneous mixture is not uniform in appearance compared to a homogenous mixture.

• A heterogeneous mixture is a uniform in appearance compared to a homogenous mixture.

• A heterogeneous mixture can be mixed with less difficulty than a homogenous mixture.

Which of the following mixture is heterogeneous?

• Air

• Seawater

• Fruit Salad

• Coffee and water

It is a mixture where solutes did not dissolve and settled down at the bottom of the container.

• Homogeneous

• Colloid

• Solution

• Suspension

What kind of mixture are milk and water?

• Aerosol

• Colloid

• Solution

• Suspension

Which of the following statements is TRUE?

• Water is the universal solvent

• All solvents can dissolve any solute

• The bigger the solute, the faster it dissolves

• The smaller the solute, the slower it dissolves

In making concrete, cement, rock, and sand ratio is very important. Finer concrete requires fewer rocks, how do you separate rocks from the sand?

• Distillation

• Decanting

• Filtering

• Winnowing

Seawater is made up of water, salt, and other minerals. How do you separate the salt from the water?

• Diffusion

• Decanting

• Evaporation

• Filtration

How do you separate Iron Fillings from Sand in an Iron-Sand Mixture?

• with the use of filter

• with the use of heat

• with the use of magnet

• with the use of water