WorksheetsFirst Quarter Test in Science 6
Total questions: 50
Worksheet time: 13hrs 30mins
Which is true about heterogeneous mixtures?
A. Composition of mixtures are the same all throughout
B. Composition of mixtures are visible
C. Composition of mixtures can be easily identified
D. Both B and C
Which best describes the characteristics of the homogeneous (uniform) mixture?
A. The individual substances are recognizable
B. The phases or substances are all visible
C. The mixture does not blend throughout
D. Only one phase is seen or visible after mixing the different components.
What do you call a mixture with substances that are distributed evenly?
A. solute
B. solvent
C. solution
C. mixture
What happens when mongo seeds are mixed with sand?
A. there will be a new substance formed
B. mongo grains will disappear
C. mongo grains will retain their characteristics
D. mongo grains will dissolve in sand
In homogeneous mixture substances mixed thoroughly, appeared as one substance. You can no longer distinguish one component from the other. What is
the other term for the homogenous mixture?
A. uniform mixture
B. non-uniform
C. solute
D. Solvent
The given substances are examples of a uniform mixture except one. What is it?
A. wine
B. sand and gravel
C. vinegar
D. cement
What is best described by the combination of two or more substances that are
not chemically combined but formed a new substance?
A. It is gas
B. It is solid
C. It is liquid
D. It is mixture
The following cups shown have water at
different temperatures, during which cup of water will powdered milk dissolve fastest?
A. first
B. second
C. third
D. fourth
Which of the following statements is TRUE about a heterogeneous mixture?
A. Heterogeneous mixtures have single components.
B. All mixtures are heterogeneous.
C. Heterogeneous mixtures always have 2 or more phases.
D. All of the above
In which glass of liquid is powdered milk hard to dissolve?
A. In a glass of cold water
B. In a glass of hot water
C. In a glass of tap water
D. None of the above
Alcohol and water, natural gases, and plastic is an example of what kind of mixture?
A. suspension
B. colloid
C. Heterogeneous
D. Homogenous
What do you call the type of mixture where the particles do not completely dissolve in a liquid?
A. colloid
B. solvent
C. suspension
D. solution
The following are mixtures except__________
A. olive oil
B. wine
C. calamansi juice
D. soda
What do you call substances that are usually dissolved by water?
A. dissolving agent
B. solvent
C. emulsifier
D. solute
How is a gaseous solution formed?
A. when gas or vapor is dissolved in another gas or vapor
B. when gases are mixed with both solid and liquid
C. when gases are dissolved only in liquid
D. when gases are dissolved and mixed with solid
There are five kinds of solutions. Gas in liquid is one of them, therefore, which of the given example is one of the solutions?
A. Air and water
B. Cola or Soft drink
C. Oxygen and salt
D. Rocks and solvent
Which of the following is a homogeneous mixture?
I. salt dissolve with water
II. blood
III. Clothes in the basin
IV. Books on the shelves
A. I and III
B. I and IV
C. II and IV
D. I and II
Which of the following describes solubility?
A. The ability of a liquid to change color.
B. The ability of something to dissolve in a liquid
C. The time it takes for something to settle at the bottom
D. None of the above
Which of the statements/phrase best describes a solution?
A. Solution is formed when one substance dissolves in another
substance.
B. Solutions are heterogeneous mixtures.
C. Pizza, halo-halo, and fruit salad are examples of a solution
D. All of the above
Which phrase best describes colloids?
A. composed of molecules bigger than a solution but smaller than a suspension
B. mixtures of two or more substances than can be easily separated
C. formed by mixing different kinds of solutions
D. have molecules that are big enough to settle at the bottom
Which property of a suspension is different from that of a colloid?
A. A suspension is always cloudy
B. Suspension are colorless
C. If left to rest, the particles of a suspension will settle at the bottom.
D. The particles of a suspension reflect light.
Your mother prepared pinakbet for lunch. How will you describe its ingredients?
A. It is a homogeneous mixture because it was evenly mixed.
B. It is a heterogeneous mixture because its components are visible.
C. It is a heterogeneous mixture because of its uniformity.
D. All of the above
Which of the following is known as the universal solvent?
A. gas
B. seawater
C. oil
D. water
Which of the following explains why seawater is a mixture?
A. Seawater is a mixture because its components are in different proportions.
B. Seawater has components that are in definite proportions.
C. The components of seawater are not easily separated.
D. Seawater has chemical properties.
Aubrey will cook Maja Blanca. She wants to separate the cornstarch from a mixture of cornstarch and corn bits. What kind of material will she use to separate it.?
A. filter cloth
B. towel
C. filter paper
D. strainer with small holes
What separating technique will you use if you want to separate mongo seeds mixed up with salt?
A. filtering
B. picking
C. sieving
D. magnetism
What method is used to obtain salt from seawater?
A. decantation
B. sedimentation
C. evaporation
D. filtering
Item 28, refer to the illustration.
In the filtering technique of separating mixtures, what type of material passes through filter paper or cloth?
A. liquid
B. gas
C. solid
D. plasma
Dianna accidentally spills a glass of water in the salt container and she is thinking of a solution on how she’s going to recover salt from water. What will Princess do to return the salt to its original phase?
A. She will wrap it with newspaper tightly
B. She will throw it away in the waste can
C. She will hide it in a dark corner
D. She will boil the solution
Techniques that help to separate mixtures involve ___.
A. filtration
B. chromatography
C. distillation
D. all of them
Which of the following substances CANNOT be separated using the method of sieving?
A. rice grains and stones
B. pebbles and sand
C. seeds in soy sauce
D. flour and coarsely ground corn
Your mother asked you to cook dried fish for breakfast and you accidentally mixed the oil with water. What method will you use to separate the mixture?
A. decantation
B. magnetism
C. evaporation
D. filtering
Javon had noticed that the amount of water in a container with a plant becomes less as the days go by. What is the reason why the amount of water decreases?
A. Water in the container was not changed.
B. Some insects sipped the water.
C. Water evaporated because of heat.
D. The plant has a stem.
While boiling water in a kettle, Gwayne noticed that there are smoke coming from the spout of a kettle. He asked his mother, “Why did the smoke rise upward? What do you think will be the mother’s answer?
A. because the water reached its cooling point
B. because the water reached its boiling point
C. because the water is heated and became water vapor
D. because the water is freezing
What phenomenon occurs when dispersed colloid particles scatter light?
A. Tyndall effect
B. shaft effect
C. miscible
D. immiscible
The following mixture can be separated by a magnet, EXCEPT:
A. flour and paper clips
B. water and flour
C. pins in sand
D. talc powder and needle
How can the decantation method be useful to everyday life?
A. It helps us to make our everyday living more efficient and easier.
B. It gives us satisfaction in our everyday living.
C. It helps us to become more productive.
D. It is just an ordinary technique.
Which of the following best describes a magnet when used to separate mixtures?
A. It can separate metals from nonmetals.
B. It can separate nonmetals objects.
C. It can separate larger particles.
D. It can separate smaller particles.
Mr. Froiler is a miner. He wants to separate gold from a mixture of sand, mud, and gravel. Which process will he use to separate gold from the mixture?
A. by sieving
B. by decanting
C. by picking
D. by winnowing
Metals that are made up of _______ are easily attracted to the magnet.
A. alloy, nickel, or cobalt
B. paint, water, or powder
C. salt, rubber, or plastic
gold, ruby, diamond
What would you do to the mixtures of eggshell and paper to make it useful?
A. Throw them in the river.
B. Make a compost.
C. Mix them with the non-decaying materials.
D. Keep them in the yard and let them decay.
Read and understand: “At the end of every day, we wipe off the blackboard with a wet sponge to make it clean and ready to use for the next day. After a few minutes, the water disappeared. Where do you think the water goes? Why?
A. The water disappeared because of the hot temperature.
B. The water disappeared because of evaporation.
C. The water disappeared because it is the way it used to be.
D. Never mind of the water
What do you think will happen if water refilling stations did not filter the water properly?
A. Water will turn into wine.
B. Water will form crystals.
C. Water is not safe to drink.
D. Water will turn ice.
Which of the following mixtures can be separated using the decantation method?
A. sugar and milk
B. water in oil
C. mixed nuts
D. vegetable salad with dressing
The process of evaporating a liquid and then condensing the vapor by cooling is known as ____.
A. decanting
B. filtration
C. distillation
D. chromatography
Magnets pull other objects made of magnetic materials towards them. What do you call the force used in magnets?
A. Magnetism
B. Magnetic field
C. Limited force
D. Magnet force
Separating coconut milk from grated coconut using a fine wire screen is called_________.
A. filtration
B. straining
C. magnetism
D. winnowing
How will you separate a mixture of black pepper and salt?
A. Add water to collect the pepper.
B. Pick out the pepper from salt by hand.
C. Add water, filter out the pepper, and boil off the water to get salt.
D. Add water; filter out the salt, boil off the water to get the pepper.
What will you do to support the clean and green program in your community?
A. Participate in activities such as cleaning of mixtures of waste materials from esteros and canal.
B. Report to the barangay officials those people who do not segregate the mixtures of biodegradable and non-biodegradable wastes.
C. Support the environmental programs of your barangay.
D. All of the above
Jhon collects a mixture of used straws and bottle caps from the canteen’s garbage bags every morning. What could possibly be Thor’s plan with his collections?
A. He will make a colorful hat/bag from the used straws for his grandmother.
B. He will throw the straws somewhere in the school
C. He just wants to fill their house with used straws.
D. He does not like to see straws in the garbage bags.
