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Waves, Sound, and Light — Free MYP1 Sciences Practice Questions
1QuestionPrimary and Secondary Colors of LightConcept Practice
2 marks~3 minCriterion B
A student shines a red light onto four objects one at a time: a white object, a red object, a blue object, and a green object. The student records the color they see each time.
a
Identify the independent variable in this investigation. [1]
b
Describe what the dependent variable is and how it is recorded in this investigation. [1]
Solutions
2QuestionDispersion of Light Through a PrismConcept Practice
2 marks~3 minCriterion A
The diagram shows white light entering a prism and spreading out into a band of colors.
a
List the colors in order from the top of the band to the bottom. [1]
b
Describe what happens to white light when it passes through a prism. [1]
Solutions
3QuestionDispersion of Light Through a PrismConcept Practice
2 marks~3 minCriterion A
The diagram shows white light passing through a glass prism and splitting into a band of colours.
a
Name the order of colours produced when white light passes through a prism, starting from red. [1]
b
Identify the colour labelled X in the diagram. [1]
Solutions
4QuestionEchoes and ReverberationConcept Practice
4 marks~6 minCriterion C
A student claps her hands near a cliff. The speed of sound in air is 340 m/s. She hears the echo after the times shown below.
Time delay (s): 0.5 — 1.0 — 1.5 — 2.0
Use the formula:
Time delay (s): 0.5 — 1.0 — 1.5 — 2.0
Use the formula:
a
Identify the distance to the cliff when the time delay is 0.5 s. Show your working. [1]
b
Describe how the distance to the cliff changes as the time delay increases. Use the values in the table to support your answer. [2]
c
A friend says: "Standing further from the cliff means you hear the echo sooner." Describe whether your friend is correct or incorrect, and explain why. [1]
Solutions
5QuestionEchoes and ReverberationConcept Practice
2 marks~3 minCriterion B
A student claps once in four different rooms — a small room, a hallway, a gymnasium, and a large empty hall — and measures how long the echo lasts each time.
a
Identify the independent variable and the dependent variable in this investigation. [1]
b
Identify one variable the student should keep the same to make this a fair test. [1]
Solutions
6QuestionHow Sound is Produced and TransmittedConcept Practice
4 marks~6 minCriterion D
A student tests three materials to see which blocks sound best. She puts a phone playing music inside a box made of each material and measures the loudness outside.
| Material | Loudness outside (dB) |
|---|---|
| Foam | 45 |
| Cardboard | 60 |
| Cotton | 52 |
a
Name the material that blocks sound the most. [1]
b
Describe what the data shows about how well foam blocks sound compared to cardboard. [1]
c
Identify one thing the student should keep the same in each test to make the results fair. Explain why it matters. [2]
Solutions
7QuestionEchoes and ReverberationConcept Practice
2 marks~3 minCriterion A
A person shouts near a large cliff. Arrow A shows the sound travelling from the person to the cliff. Arrow B shows the sound travelling from the cliff back to the person.
a
Identify which arrow represents the echo. [1]
b
Describe what happens to the sound to create an echo. [1]
Solutions
8QuestionHow Amplitude Affects LoudnessConcept Practice
2 marks~3 minCriterion D
A drummer hits a drum softly, then hits it much harder.
a
Give an example of how the loudness of the drum changes when the drummer hits it harder. [1]
b
Describe one reason why being able to control loudness is useful in everyday life. [1]
Solutions
9QuestionHow Amplitude Affects LoudnessConcept Practice
2 marks~3 minCriterion A
The diagram below shows two sound waves. The loud wave has its amplitude labelled.
Label the amplitude of the quiet wave on the diagram in the same way. [1]
Describe what amplitude means. [1]
Label the amplitude of the quiet wave on the diagram in the same way. [1]
Describe what amplitude means. [1]
Solutions
10QuestionLight and Sound in Entertainment SystemsConcept Practice
4 marks~6 minCriterion C
A student claps near a flat wall and hears the echo. The table shows how long the echo takes to return at different distances.
| Distance (m) | 10 | 20 | 30 | 40 |
|---|---|---|---|---|
| Echo delay (s) | 0.06 | 0.12 | 0.18 | 0.24 |
a
Identify the echo delay when the distance is 20 m. [1]
b
Describe what happens to the echo delay as the distance increases. [1]
c
A friend says: "Standing twice as far from the wall means you wait twice as long for the echo." State whether you agree or disagree, and give one reason using the data. [2]
Solutions
11QuestionApplications of Light in Everyday LifeConcept Practice
3 marks~5 minCriterion B
A student shines a flashlight at a wall and measures the brightness at different distances.
| Distance (cm) | 10 | 20 | 30 | 40 |
|---|---|---|---|---|
| Brightness (lux) | 800 | 200 | 90 | 50 |
a
Identify what happens to the brightness as the distance increases. [1]
b
Describe the pattern using two values from the table. [1]
c
Compare how quickly the brightness changes when the flashlight is close to the wall with how quickly it changes when the flashlight is far from the wall. [1]
Solutions
12QuestionApplications of Light in Everyday LifeConcept Practice
3 marks~5 minCriterion A
The diagram shows a torch with five parts labelled A to E.
A = bulb, B = reflector, C = lens, D = switch, E = battery.
A = bulb, B = reflector, C = lens, D = switch, E = battery.
a
Name the part that produces the light. [1]
b
Describe what the reflector (B) does to the light inside the torch. [1]
c
The torch can be powered by a battery or plugged into a wall socket. Describe one way these two energy sources are different. [1]
Solutions
13QuestionUltrasound in Medicine and IndustryConcept Practice
6 marks~9 minCriterion D
A doctor uses an ultrasound machine to check a patient's liver. The low setting gives a blurry image but is very safe. The high setting gives a clear image but slightly heats the body tissues it passes through.
a
Name one benefit of using the low setting for the patient. [1]
b
Describe what happens to the patient's body tissues when the high setting is used. [2]
c
A doctor must choose between the low setting and the high setting. Describe one reason to choose each setting, and state which setting you think the doctor should try first. [3]
Solutions
14QuestionDefinition of a Wave and Wave TypesConcept Practice
3 marks~5 minCriterion A
The diagram shows a slinky with a wave moving to the right. Some coils are squashed together and some are spread apart.
a
Identify the type of wave shown in the diagram. [1]
b
Describe how the coils move as the wave travels through the slinky. [1]
c
Compare the direction the coils move with the direction the wave travels. [1]
Solutions
15QuestionDefinition of a Wave and Wave TypesConcept Practice
2 marks~3 minCriterion A
The diagram shows two waves. Wave 1 has high points and low points. Wave 2 has squashed regions and stretched regions. Point A is on the highest point of Wave 1. Point B is on a squashed region of Wave 2.
a
Identify the type of each wave. [1]
Wave 1: _______________
Wave 2: _______________
Wave 1: _______________
Wave 2: _______________
b
Name the parts labelled A and B. [1]
Part A: _______________
Part B: _______________
Part A: _______________
Part B: _______________
Solutions
16QuestionDispersion of Light Through a PrismAssessment Practice
5 marks~8 minCriterion C
A glass prism splits white light into colours. A class measures how much each colour bends as it passes through the prism.
Red light: 42°
Green light: 41°
Blue light: 40°
A student says: "Only red light bends through a prism because red is the brightest colour."
Red light: 42°
Green light: 41°
Blue light: 40°
A student says: "Only red light bends through a prism because red is the brightest colour."
a
Identify which colour bends the most through the prism. [1]
b
Describe what the data show about whether all three colours of light bend through the prism. [2]
c
State whether the data support or contradict the student's claim, and give one reason why. [2]
Solutions
17QuestionNoise vs Music Basic ConceptsAssessment Practice
4 marks~6 minCriterion C
Sarah listens to four sounds at home.
Sound A: her piano — steady notes in a repeating pattern
Sound B: the washing machine — irregular sounds with no pattern
Sound C: her favourite song — regular beat, but the volume changes
Sound D: old radio static — random crackling with no pattern
Sound A: her piano — steady notes in a repeating pattern
Sound B: the washing machine — irregular sounds with no pattern
Sound C: her favourite song — regular beat, but the volume changes
Sound D: old radio static — random crackling with no pattern
a
Identify which two sounds are music and which two are noise. [1]
b
Describe one feature that makes Sound A music and Sound B noise. [1]
c
Sarah's friend says: "Music must sound exactly the same every time." State whether you agree or disagree, and use Sound C to explain why. [2]
Solutions
18QuestionHow Frequency Affects PitchAssessment Practice
5 marks~8 minCriterion B
Maya records the pitch of five instruments.
Vibration speed: very slow → slow → medium → fast → very fast
Pitch recorded: low → medium → medium → low → high
Vibration speed: very slow → slow → medium → fast → very fast
Pitch recorded: low → medium → medium → low → high
a
Identify the instrument with the wrong pitch recorded. [1]
b
State what the correct pitch should be for that instrument. [1]
c
Describe why Maya's recorded pitch for that instrument does not fit the pattern shown by the other instruments. [3]
Solutions
19QuestionWave Behavior Reflection Refraction and DiffractionAssessment Practice
5 marks~8 minCriterion B
Maya shines a torch at a mirror. She measures the angle the light hits the mirror and the angle it bounces back.
| Trial 1 | hits at | bounces at |
|---|---|---|
| Trial 2 | hits at | bounces at |
| Trial 3 | hits at | bounces at |
a
Identify the angle at which the light bounces back in Trial 2. [1]
b
Describe what you notice about the hitting angle and the bouncing angle in all three trials. [2]
c
Maya tries the same experiment with a rough, crumpled piece of foil instead of a flat mirror. Describe one way the result might be different and one way it might be the same. [2]
Solutions
20QuestionDefinition of a Wave and Wave TypesAssessment Practice
4 marks~6 minCriterion C
Maria shakes a jump rope and it moves up and down. She drops a ball into a bathtub and sees waves spread outward. She claps her hands and the air moves back and forth toward her friend.
a
Identify which one of the three examples shows a different type of movement from the other two. [1]
b
Describe how the movement in your chosen example is different from the movement in the other two. [1]
c
Maria's friend says, "In all three examples, the moving parts go up and down." Describe whether you agree or disagree with this claim, and explain your reasoning using both types of movement. [2]
Solutions