
Q1 Science _6_Periodical Test
Quiz by Christine Jerenlou Pedroso
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A student mixed iodized salt and white sugar in a bowl. What did the studentobserve?
You were tasked to mix one (1) teaspoon of sugar in a half glass of tap water as your activity in science. Which of the following BEST describes the mixture?
Vinegar and soy sauce when mixed formed a uniform mixture. Why is that so?
Homogeneous mixtures have uniform composition throughout. What is another way of describing homogeneous mixtures?
Halo-halo is the ultimate summertime treat here in the Philippines. It is a layered dessert consisting of sweetened beans, fruits, shaved ice drizzled with evaporated milk, and ice cream. Halo-halo is a heterogeneous mixture. What best describes appearance of halo-halo as an example of heterogeneous mixture?
Mixtures are physical combinations of pure substances that have definite or constant composition. How do you describe the appearance of heterogeneous mixtures?
In a science activity, your teacher showed the class a bowl of fruits and vegetables. How do you classify mixtures of fruits and vegetables?
Mixtures with non-uniform composition are called heterogeneous mixtures. What best describes a heterogeneous mixture? Its components __________.
Homogeneous came from the word homo, which means “same”. It can also be described as something that is made up of parts or elements that are the same or very similar in nature. Which of the following also describes a homogeneous mixture?
A solution is a homogeneous mixture that contains two or more substances evenly distributed throughout. Which of the following is an example of a solution used at home?
A solution is a combination of solutes dissolved in a solvent at a specified temperature. Which of the following is an example of a solution found at home and its use?
A solution is a homogeneous mixture of one or more solutes dissolved in a solvent. Which best defines solutes and solvents?
In a glass of fruit juice, which is the solute?
Salt solution is a mixture of salt and water. It is an example of a solution. Which of the following is the solvent in this mixture?
A student stirred a teaspoon of sugar in a glass of water. In what way will the stirring affect the rate of solution formation in a mixture?
Flor prepared two glasses of juice. After tasting, she noticed that the first glass of juice was sweeter than the other glass. Which of the following factors affect the taste of the two glasses of juice?
Suspension is a heterogeneous mixture. Which of the following describes the suspension?
A mixture of oil and water is an example of suspension. Which of the following describes the mixture of oil and water?
Suspension happens when some substances do not completely mix when combined. Which of the following mixtures is an example of suspension and its use?
Suspensions have solid particles spread throughout the liquid, making it a cloudy mixture. Which of the following is an example of a suspension and its use?
Colloids are heterogeneous mixtures. What do you think is the reason why colloid is a heterogeneous mixture?
Which of the following examples shows that colloid is a heterogeneous mixture?
Colloid plays an important role in our daily life. Which of the following are common household colloids?
Which of the following are examples of beneficial food mixtures at home?
Your mother asks you to prepare healthy food for your little sister while she goes to the market. What healthy food should you prepare for your sister?
Filtration removes the impurities in a mixture using filter paper. Which mixture will require the use of the filtration method?
A solution is made up of a liquid and a soluble solid. How are you going to extract salt from a solution?
Separating mixtures yields a variety of useful products, like salt from salt water. Which method is most usually used to extract salt from seawater?
A pupil attempted to separate a salt solution from oil in a beaker. They would like to separate the salt from the water, as well. How should they separate the oil from the water-oil solution and the salt from the salt solution?
Long ago, people relied on rivers and wells for their drinking water. Filtration and decantation were the most popular methods. However, we can no longer use our existing water resources due to a highly urbanized lifestyle. How can filtration and decantation be done in this situation?
Which describes the use of sieving and decanting to separate finer materials from bigger components in a mixture?
What separation tool or method could you use to clean out a sandbox so it will be safe for children to play in if you dropped nails in it?
Sieving is a process by which fine particles are separated from bigger particles. Which of the following situations BEST explains the use of sieving in our daily lives?
Magnets are used in a variety of ways in our lives. Which of the following BEST explains the use of magnetism?
Filtration is a method wherein suspended solid materials are removed from a liquid using a filter. Which of the following BEST explains the use of filtration in our daily lives?
You accidentally mixed sand, nails, and plastic beads. What are the step-bystep techniques that you will use to separate this type of mixture?
Which of the following separation processes uses fine mesh fibers (net) to separate suspension mixtures like a mixture of sand and pebbles?
In evaporation, boiling salt water to remove the salt from the water is an example. How does salt get separated from the water through evaporation?
You accidentally mixed salt and sand. Picking them apart would take time to do so. Sieving will not work because they are of the same size. What separation technique should you use in this situation?
The salt and water were separated from the insoluble impurities (dirt). What are the different separation techniques to separate the salt from the dirty water?
Nathan has collected a sample of seawater in a bucket. Water, salt, and sand, make up seawater. Which procedures could he use to separate and gather the sand, salt, and water?
Evaporation is a way of separating a liquid from a solid. How do we describe evaporation as a process?
The individual substances in a mixture can be separated using different methods, depending on the type of mixture. If you are given a mixture of sand and salt, how will you obtain the salt from this mixture?
Potable water can be obtained through filtration. What should you do with water to produce it?
Why is glass rod used in the filtration and decantation process?
You noticed that your water has small particles of sand. What method(s) will you do to make it clean and safe to drink?
Which of these methods could be used to separate an insoluble solid from a soluble solid?
Your mother will be cooking vegetables with coconut milk for lunch. She asked you to help her prepare the coconut milk. How will you do it in such a way that the coconut milk will be extracted and separated completely from the grated coconut?
Which BEST describes the process of sieving and how it is an important technique for separating mixtures?
Sieving is used in flour mills or at construction sites to combine fine particles with smaller particles of solids using a sieve