Module 2 - What I Know - Changes That Materials Undergo P1
Quiz by Ma. Cleotilde DJ. Chavez
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- Q1
Physical change is a change in its size, shape, phase, form, texture and appearance but it still remains the same material. Which describe a physical change?
souring of milk
burning wood
melting an ice cube
rusting of iron
30sS5MT-Ic-d-2 - Q2
Chemical change is a change in its color, smell or odor and the formation of bubbles. Which describe a chemical change?
ice turning into water
mixing oil and water
Chemical change is a change in its color, smell or odor and the formation of bubbles.Which describe a chemical change?
crushing a can
30sS5MT-Ic-d-2 - Q3
Which is NOT an example of a chemical change?
ashes
ice
rusts
bubbles
30sS5MT-Ic-d-2 - Q4
Ash is a by-product of burning a paper. Why do you think so?
it changes its size
it changes into a new substance
it changes its texture
it changes its shape
30sS5MT-Ic-d-2 - Q5
In cooking leche flan, which step shows a chemical change?
separating egg yolk and white
mixing condensed and evaporated milk
caramelizing the sugar in the llanera
whisking egg whites clockwise
30sS5MT-Ic-d-2 - Q6
Metals, like iron, rust easily when exposed to chemicals. Why do iron rusts?It is because it reacts with in the air.
molds will be observed
it will get bigger
Oxygen
nothing changes
30sS5MT-Ic-d-2 - Q7
Chemical reaction occurs in chemical change. Which show an evidence of a chemical reaction?
sliced mango
chopped meat
burned sugar
melted butter
30sS5MT-Ic-d-2