Let's go through this
Grade 3 Science Worksheet on
Gravity and solve each part step by step. This worksheet helps students understand how gravity works in everyday situations.
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🔹 1. Draw an arrow to show which way gravity is pulling on the person.
Answer:
Draw a
downward arrow pointing from the person (specifically from their center of mass, like the middle of their body) straight down toward the ground.
✔ Explanation:
Gravity is a force that pulls objects toward the Earth. No matter where you are, gravity always pulls you
downward, toward the center of the Earth. So, the arrow should point
straight down.
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🔹 2. Draw an arrow to show which way the chair is pushing on the person. Why is the person not moving?
Answer:
- Draw an
upward arrow from the chair to the person (pointing upward from the seat into the person’s bottom).
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Why the person is not moving:
The chair pushes
upward with a force equal to the force of gravity pulling downward. These two forces are
equal and opposite, so they
cancel each other out. This means there is
no net force acting on the person, so they stay at rest (not moving).
✔ Explanation:
This is an example of
balanced forces:
- Gravity pulls the person down.
- The chair pushes up (this is called the
normal force).
- Since these forces are balanced, the person does
not accelerate or move.
> 💡 Think of it like: Gravity wants to pull you down, but the chair stops you by pushing up just as hard.
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🔹 3. Why is the apple falling?
Answer:
The apple is falling because
gravity is pulling it down toward the Earth.
✔ Explanation:
When an apple is not attached to the tree (like when it falls), there is
nothing holding it up. Gravity pulls it
downward, so it falls to the ground. This is the same force that keeps us on the ground and makes things drop when we drop them.
> 🍎 Fun fact: This is the kind of observation that helped Sir Isaac Newton think about gravity!
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✔ Summary of Answers:
1.
Arrow for gravity: Downward → points from person to ground.
2.
Arrow for chair’s push: Upward → from chair into person.
- Person isn’t moving because
gravity and the chair’s push are balanced.
3.
Apple falling: Because
gravity pulls it down.
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Would you like me to generate a version of this worksheet with the answers drawn in (e.g., arrows added and text filled in)? I can describe how to draw it clearly!
Parent Tip: Review the logic above to help your child master the concept of gravity worksheets.
