Class 4 Science Practice Mock Test

In Class 4, students are introduced to the formal scientific method. They learn to categorize matter and observe the physical forces impacting the world around them.

This practice set covers fundamental chemistry concepts, force dynamics, and atmospheric knowledge, preparing students for mid-term school examinations.

Practice Questions

Question 1: Which of the following is an example of a Liquid?

• Ice
• Wood
• Water
• Steam

Answer: Water

Explanation: Water is liquid at room temperature. It takes the shape of its container but maintains a constant volume. Ice is Solid, Steam is Gas.

Question 2: The force that pulls all objects towards the center of the Earth is called:

• Magnetism
• Friction
• Gravity
• Electricity

Answer: Gravity

Explanation: Gravity is the fundamental force of attraction generated by massive planetary bodies that prevents objects from floating into space.

Question 3: What gas do humans breathe mostly IN?

• Carbon Dioxide
• Helium
• Oxygen
• Nitrogen

Answer: Oxygen

Explanation: Human lungs extract Oxygen from the atmosphere to power our cells, and we exhale Carbon Dioxide as a waste byproduct.

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