Waves and Information Systems Worksheet
📝 Worksheet hard ⏱️ 20 minutes 8 problems
Waves and Information Systems Worksheet
Grade 7 Science LearnCrux.com
Name:
Date:
Directions
- Fill in each blank carefully.
- Circle or mark the best answer for each multiple-choice question.
- Match each prompt to the best option before writing your answer.
- Use the larger space to show your thinking on word problems.
1. Waves can carry energy and __.
2. Which statement best explains why digitized signals are often more reliable?
3. Match the system to its likely wave role: speaker
Match with:
Answer:
4. A property used to describe how often a wave repeats is __.
5. Why can wave models help explain communication technologies?
6. Which technology most clearly depends on refraction?
7. Wave science helps explain why some signals are more __ than others.
8. Why should students connect wave properties to real devices instead of memorizing vocabulary alone?
📋 Teacher Answer Key
1. information
2. They are often easier to copy, store, and recover accurately.
3. creates sound waves
4. frequency
5. They show how organized patterns can transfer energy and information in predictable ways
6. eyeglasses
7. reliable
8. Real device examples show how wave behavior explains technology, not just diagrams or isolated terms