Grade 10 Science Multiple Choice Questions MCQ on Electricity

Studying and answering questions on the topic of Matter is an important way for Grade 10 students in Papua New Guinea to prepare for their national examinations. Practice questions help students strengthen their understanding of key science concepts such as the states of matter, mixtures, and chemical properties, which are commonly tested in exams. By attempting multiple-choice questions, students learn to recall information quickly, apply knowledge to real-life examples, and become familiar with the exam format. 

This preparatory questions not only build confidence but also improve performance in classroom tests and the PNG Grade 10 National Examinations.

Grade 10 Science Examination Revision Questions on the top Matter

Unit: Matter & Energy

Topic: Classification of Matter

Instructions: Answer all questions by selecting the correct option. Each question has only one correct answer. Tab the "VIEW MY RESULTS" at the end to see your performance results. Good luck!

1. What is matter primarily made up of?

A. Atoms
B. Energy
C. Light
D. Sound

2. Which state of matter has a definite shape and volume?

A. Gas
B. Solid
C. Liquid
D. Plasma

3. Which state of matter takes the shape of its container but has a definite volume?

A. Solid
B. Gas
C. Liquid
D. Plasma

4. What is a mixture?

A. A combination of two or more substances physically combined
B. A substance made of only one type of atom
C. A pure chemical compound
D. A state of matter

5. Which of the following is a pure substance?

A. Air
B. Water
C. Salad
D. Soil

6. Which classification describes a substance made of two or more elements chemically combined?

A. Element
B. Mixture
C. Compound
D. Solution

7. Which of the following is an example of a heterogeneous mixture?

A. Salt water
B. Air
C. Sugar dissolved in water
D. Salad

8. Which of these is NOT a characteristic used to classify matter?

A. Physical state
B. Color of the container
C. Composition
D. Homogeneity

9. What type of mixture is uniform in composition throughout?

A. Homogeneous mixture
B. Heterogeneous mixture
C. Compound
D. Element

10. Which of the following is a chemical property of matter?

A. Melting point
B. Density
C. Reactivity with acid
D. Color

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Grade 10 Science Multiple Choice Questions MCQ on Electricity