LEAP 2025 Science Grade 7 Practice Questions - LEAP 2025 Science - Grade 7 Exam - LEAP 2025 Science Grade 7 Practice Questions - LEAP 2025 Science

Question 1

A student mixes two clear liquid solutions in a beaker at room temperature. A yellow solid forms at the bottom of the beaker. What does the formation of this solid indicate?

A chemical reaction occurred and formed a precipitate The liquids were frozen into a solid state The mixture evaporated and left dissolved salt behind The liquid solution underwent a physical phase change to a gas

Correct Answer:

A chemical reaction occurred and formed a precipitate

Question 2

Which state of matter has a definite volume but takes the shape of its container, with particles that touch but can slide past one another?

Solid Plasma Liquid Gas

Correct Answer:

Liquid

Question 3

According to the Law of Conservation of Mass, what happens to the total mass of reactants during a chemical reaction in a closed container?

The total mass increases because new atoms are created during the reaction The total mass of the products equals the total mass of the reactants The total mass changes depending on whether the reaction is endothermic or exothermic The total mass decreases because some matter is converted into energy

Correct Answer:

The total mass of the products equals the total mass of the reactants

Question 4

Plastic bottles and synthetic polyester threads are manufactured from natural crude oil (petroleum). How are these products classified?

Synthetic materials Natural elements Unrefined natural resources Organic minerals

Correct Answer:

Synthetic materials

Question 5

Which property of a substance is a chemical property rather than a physical property?

Melting point Electrical conductivity Flammability Density

Correct Answer:

Flammability

Question 1

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About this Exam

Prepare with the LEAP 2025 Science Grade 7 Practice Questions - LEAP 2025 Science - Grade 7 Exam practice quiz. This question bank includes 85 questions covering chemical, energy, water, photosynthesis, and plant. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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LEAP 2025 Science Grade 7 Practice Questions - LEAP 2025 Science - Grade 7 Exam

This practice set contains 85 questions from the matching question bank and focuses on chemical, energy, water, photosynthesis, and plant. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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LEAP 2025 Science Grade 7 Practice Questions - LEAP 2025 Science - Grade 7 Exam

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