Answers 2025-2026_MDCPS_2001310_EarthSpace Science_Sem 1Fission and Fusion

Introduction to Waves Answers

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What is the motion of the particles in this kind of wave?

The particles will move up and down over large areas.

The particles will move up and down over small areas.

The particles will move side to side over small areas.

The particles will move side to side over large areas.

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Which is the best analogy of a wave?

A wave is like building a ramp.

A wave is like shaking a hand.

A wave is like water rippling in a pond.

A wave is like knocking down a building.

Which statement applies to transverse waves?

The waves have a trough.

Particles move great distances.

The waves have alternating compressions and expansions.

The energy is transferred parallel to the direction of the wave motion.

Jenny is trying to describe a wave. Which example would be the best description?

a toy car hitting a wall and bouncing back

a toy car rear-ending a toy car that then rear-ends another toy car

two toy cars driving parallel to each other at the same speed

two toy cars driving away from each other at the same speed

What do sound waves and infrared waves have in common, and what makes them different?

Both carry energy through space, but sound waves are mechanical and infrared waves are electromagnetic.

Both can transfer energy through matter, but sound waves travel through air and infrared waves travel through space.

Both can transfer energy through matter, but sound waves can be heard and infrared waves can be seen.

Both carry energy through space, but sound waves require matter to pass through and infrared waves do not.

A scientist is studying a shock wave from an earthquake. What kind of wave is being studied?

an electromagnetic wave

a gamma ray

a radio wave

a mechanical wave

Which kind of wave would be observed in outer space between planets, where there is very little matter?

an electromagnetic wave, such as an x-ray

an electromagnetic wave, such as a sound wave

a mechanical wave, such as an x-ray

a mechanical wave, such as a sound wave

Augie created this chart about the two kinds of waves.Which best labels the chart?

Title 1 is “Longitudinal Waves,” and Title 2 is “Transverse Waves.”

Title 1 is “Transverse Waves,” and Title 2 is “Longitudinal Waves.”

Title 1 is “Electromagnetic Waves,” and Title 2 is “Mechanical Waves.”

Title 1 is “Mechanical Waves,” and Title 2 is “Electromagnetic Waves.”

Natalia is studying a wave produced in her magnetics lab. This wave can move through the empty space in a vacuum and carries a lot of energy.What wave is Natalia most likely studying?

a sound wave

an ocean wave

a gamma ray

an earthquake shock wave

Venn diagrams are used for comparing and contrasting topics. The overlapping sections show characteristics that the topics have in common, and the sections that are unique to each topic show the characteristics that apply to only that topic. This Venn diagram is comparing mechanical and electromagnetic waves.

Introduction to Waves Answers

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