SCIENCE 10 2ND SUMMATIVE TEST

Quiz by Jenny Dela Vega

Science
Philippines Curriculum: Grades K-10 (MELC)

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### Measures 6 skills fromGrade 10SciencePhilippines Curriculum: Grades K-10 (MELC)

S10FE-IIa-b-47
S10FE-IIc-d-48
S10FE-IIe-f-49
S10FE-IIh-52
S10FE-IIg-50
S10FE-IIj-54

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40 questions
• Q1

Which electromagnetic waves have the shortest wavelength?

gamma ray

microwave

X – ray waves

30s
S10FE-IIa-b-47
• Q2

Radio waves, X-ray waves, and microwaves are observed to be traveling in a vacuum. If the waves have a wavelength of 2 x 10^3 m 2 x 10^-9 m, 2 x 10^-1 m respectively, which of the three travels the fastest?

microwave

They all travel at the same speed.

X - ray waves

30s
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• Q3

How does a decrease in the frequency affect the electromagnetic wave?

Wavelength decreases.

Energy carried by the wave decreases.

both A and B

neither A nor B

30s
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• Q4

What color in the visible spectrum carries the lowest energy?

orange

blue

violet

red

30s
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• Q5

A certain FM radio station broadcasts at 90.5 MHz or 9.05 x 10^7 Hz. The radio wave travels at the speed of light, what is its wavelength?

2.72 x10^10 m

3.31 m

. 0.05 m

2.72 x 10^16 m

30s
S10FE-IIc-d-48
• Q6

What will happen to the frequency and wavelength if the energy of the waves decreases?

wavelength increases, frequency increases

wavelength increases, frequency decreases

wavelength decreases, frequency decreases

wavelength decreases, frequency increases

30s
S10FE-IIc-d-48
• Q7

What electromagnetic wave has the highest energy?

Visible light

Gamma ray

Ultraviolet wave

30s
S10FE-IIa-b-47
• Q8

How does a microwave oven work?

Food Compartment > Magnetron Blasts > Wave Guide

Magnetron Blasts > Food Compartment >Wave Guide

Magnetron Blasts > Wave Guide > Food Compartment

Wave Guide > Food Compartment > Magnetron Blast

30s
S10FE-IIc-d-48
• Q9

Which is NOT a negative effect of ultraviolet radiation?

Damages DNA

Ionizes atoms in the body.

Destroys vitamin A

Damages collagen

30s
S10FE-IIc-d-48
• Q10

Which type of electromagnetic waves cause sunburns?

microwave

ultraviolet ray

gamma rays

infrared wave

30s
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• Q11

What type of electromagnetic waves are used to cook food, predict the weather, and for communications?

microwaves

gamma rays

infrared wave

ultraviolet ray

30s
S10FE-IIc-d-48
• Q12

Which is common between a microwave oven and RADAR?

chamber

waveguide

magnetron

filament

30s
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• Q13

What type of electromagnetic waves are used to take pictures of bones in Medicine?

ultraviolet ray

infrared wave

microwaves

x-rays

30s
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• Q14

What is the safety protocol for X-ray?

Decrease time, increase shielding, and increase distancing

Increase time, increase shielding, and increase distancing

Increase time, decrease shielding, and decrease distancing

Decrease time, decrease shielding, and decrease distancing

30s
S10FE-IIc-d-48
• Q15

Which is NOT a probable result of the human tissue’s exposure to ionizing radiation?

death

Cancer

Viral infection

Cellular damage

30s
S10FE-IIc-d-48

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