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WorksheetsUnit 3 Science G6
Total questions: 15
Worksheet time: 35mins
Among the pictures below, which one encounter different change compare to other?
Which statement is correct to describe the process above?
a. When the chocolate lose heat it will become solid again
b. If the chocolate cools down they will continue to melt
c. This process is an irreversible change because the melted chocolate can’t go back to its shape
d. The chocolate bar gain heat and start to melt
Which option are the example of mixtures?
a. Oxygen, sea water and air around us
b. Peanuts and raisins, air around us and sea water
c. Carbon dioxide, oxygen and cement
d. Water, cement and oxygen
Read the statements below carefully.
Which option is the characteristic of mixture?
a. Chemically bond so they can be separated
b. Made up of at least 1 substance
c. The substances in a mixture do not react with each other
d. All options are correct
Ali wants to separate mixture of rice and flour. Which method is the best way to do that?
a. Sieving
b. Sorting
c. Filtering
d. All of the above
Which one from the statements below is not the characteristic of soluble substance?
a. Soluble substances mix completely when its dissolve
b. Soluble substances forms suspension in a liquid
c. When soluble substances dissolve, clear solution is formed
d. None of the above
Kirana mixed different substances to investigate their solubility. Which number shows correct prediction?
a. 1,2,3
b. 4,5,6
c. 1,2,4
d. 2,5,6
Sarah dissolve red food coloring to 100 ml of water and mix them. Which statement is best to describe the mixture that Sarah made?
a. Some part of the liquid will turn red
b. The mixture looks cloudy
c. Some of the food coloring will settle at the bottom
d. The mixture will turn red but clear
How does wetland help filtering water?
a. Wetlands fasten the water flow so it can pass through the soil
b. The animals that lives in the wetland help cleaning the water
c. Wetlands slowing down the water flow so the soil can filter them
All of the options are correct
Mira made a cup of coffee for dad this morning.
She mixed, hot water with a tablespoon of coffee powder and two teaspoon of sugar.
Based on the details, which statement is best to describe Mira's coffee?
a. Hot water and coffee powder act as the solvent and sugar acts as the solute.
b. Hot water and coffee powder act as the solute and sugar acts as the solute.
c. Hot water and sugar act as the solvent and sugar acts as the solute.
d. Hot water acts as the solvent, while coffee powder and sugar act as the solute.
Which statement is best to describe solution?
a. Solution has a uniform appearance.
b. We can see some of the solute settle at the bottom of a solution
c. Seawater is not an example of solution, because the salt doesn't dissolve properly
d. A jar of solution might has few layers of colors.
Mixture and pure substances are 2 different things.
Which of the option below is the example of mixture?
powder of cool drink, laundry detergent and soup
laundry detergent, soup and iron
bowl of cereal, honey, water
water, powder of cool drink, sugar
From the options below, which one is not the factor/method that can make solids dissolve faster?
a. Stirring
b. Using cold water
c. Using hot water
d. All of the above
There are few type of sugar that we use in different activities. From the options below, which one will dissolve fastest in water?
a. Rock salt
b. Crystal sugar
c. Rock sugar
d. Powder sugar
Why do solute dissolve faster in hot water? Explain your answer with proper sentence.
