Quarter 1 - Module 2 Changes that materials undergo

Quiz by Lorna Mison

Grade 5

Science

Philippines Curriculum: Grades K-10 (MELC)

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Q 1/15
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Metals like iron rust easilty when exposed to chemicals. Why do iron rusts? It is because it reacts with ___________________ in the air.
29

Oxygen
Carbon Dioxide
Helium
Nitrogen

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15 questions

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Q1
Metals like iron rust easilty when exposed to chemicals. Why do iron rusts? It is because it reacts with ___________________ in the air.
Oxygen
Carbon Dioxide
Helium
Nitrogen
30s
Q2
If you leave an apple slice on the table for couple of hours, which is likely to be observed?
the color will turn to occur
molds will be observed
it will get bigger
nothing changes
30s
Q3
If you cover a lighted candle with a glass jar, what will likely to occur?
The glass jar will immediately break into pieces
The candle will continue to light up
The flame on the candle will be put out
The candle will melt faster than usual
30s
Q4
Which will occur in the absence of oxygen?
bonfire
bacteria may grow in food
rust will be formed
fermenting grapes to make wine
30s
Q5
Chemical reaction occurs in chemical change. Which show an evidence of?
melted butter
sliced mango
burned sugar
chopped meat
30s
Q6
Physical changes is a change in its size, shape, phase, form, texture and apperance but it still remains the same material. Which descrive a physical change?
souring of milk
burning wood
rusting of iron
melting an ice cube
30s
Q7
Chemical change is a change in its color, smell or odor and the formation of bubbles. Which describes a chemical change?
ice turning into water
ripening of mango
crushing a can
mixing oil and water
30s
Q8
Which is Not an example of chemical change?
Bubbles
Rust
Ice
Ashes
30s
Q9
Ash is a by product of burning a paper. Why do you think so?
it changes its size
it changes its shape
it changes into a new substance
it changes its texture
30s
Q10
In cooking leche flan, which step shows a chemical change?
whisking egg whites clockwise
caramelizing the sugar in the llanera
separating egg yolk and white
mixing condensed and evaporated milk
30s
Q11
Incineration is the destruction of waste materials through burning. Which is NOT an effect of incineration?
The air quality becomes low because of smoke
People are exposed to toxic compounds
Trees will become healthy and will increase its growth
Global warming may increase
30s
Q12
These are practices that we can do to prevent harmful effects of change in our environment. Which one is NOT?
pulling the plugs of appliances while not use
use of LED lights
continous use of faucet while brushing our teeth
use of rechargeable batteries
30s
Q13
People in a certain community throw garbage in the river. What do you think will happen day after tomorrow?
The river becomes polluted
The fishes in the river become healthy
The river becomes clean
The river becomes tourist's attaraction
30s
Q14
Plastic products are durable, low cost, and easy to manufacture. What do you think happens if it is NOT disposed properly?
It gives us fresh air to breathe
It clogs our drainage
It becomes useful
It helps us clean our environment
30s
Q15
Which activity contributes to polluting the environment?
use of eco-friendly products
use of recyclable materials
throwing of garbage in bins
oil spills in ocean
30s

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