This Grade 4 worksheet helps students explore how we hear and see. Learners discover how sound waves make the eardrum vibrate, how eyes detect light waves bouncing off objects, and how the brain interprets the signals from each. Through sentence corrections, fill-in-the-blanks, and short answers, Grade 4 students build science vocabulary like eardrum, signal, and brain while practicing clear writing about wave detection in everyday life.
Style:
Waves: Light and Sound
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
In Grade 4 we learn the eardrum vibrate when sound waves hit it.
Rewrite: In Grade 4 we learn the eardrum vibrates when sound waves hit it.
2. Fix the sentence:
Grade 4 students knows that eyes detect light waves and send signals to the brain.
Rewrite: Grade 4 students know that eyes detect light waves and send signals to the brain.
3. Fix the sentence:
The brain interpret the signals from the ears and eyes in Grade 4 lessons.
Rewrite: The brain interprets the signals from the ears and eyes in Grade 4 lessons.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. In Grade 4, the thin skin inside your ear that vibrates with sound is called the eardrum.
2. Grade 4 science: our eyes detect light waves that bounce off objects around us.
3. The brain receives signals from the ears and eyes and tells us what we hear and see in Grade 4.
4. A nerve message traveling from the ear to the brain is called a signal in Grade 4 lessons.
Part C: Short Answer
Answer each question in one or two complete sentences.
1. In Grade 4 words, explain what happens inside your ear when a friend claps nearby.
Sound waves from the clap travel through the air and push on my eardrum. The eardrum vibrates and sends signals through nerves to my brain, which understands the sound as a clap.
2. Grade 4 question: how do your eyes and brain work together to let you see a red apple?
Light waves bounce off the red apple and enter my eyes. My eyes turn the light into signals that travel along nerves to my brain. The brain reads the signals and tells me I see a red apple.
Waves: Light and Sound
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
In Grade 4 we learn the eardrum vibrate when sound waves hit it.
Rewrite: In Grade 4 we learn the eardrum vibrates when sound waves hit it.
2) Fix the sentence:
Grade 4 students knows that eyes detect light waves and send signals to the brain.
Rewrite: Grade 4 students know that eyes detect light waves and send signals to the brain.
3) Fix the sentence:
The brain interpret the signals from the ears and eyes in Grade 4 lessons.
Rewrite: The brain interprets the signals from the ears and eyes in Grade 4 lessons.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) In Grade 4, the thin skin inside your ear that vibrates with sound is called the eardrum.
2) Grade 4 science: our eyes detect light waves that bounce off objects around us.
3) The brain receives signals from the ears and eyes and tells us what we hear and see in Grade 4.
4) A nerve message traveling from the ear to the brain is called a signal in Grade 4 lessons.
★ Part C: Short Answer
Answer each question in one or two complete sentences.
1) In Grade 4 words, explain what happens inside your ear when a friend claps nearby.
Sound waves from the clap travel through the air and push on my eardrum. The eardrum vibrates and sends signals through nerves to my brain, which understands the sound as a clap.
2) Grade 4 question: how do your eyes and brain work together to let you see a red apple?
Light waves bounce off the red apple and enter my eyes. My eyes turn the light into signals that travel along nerves to my brain. The brain reads the signals and tells me I see a red apple.
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9 Questions
15-20 minutes
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