Sure, here is an example of a science question paper:

Science Question Paper

1. Multiple Choice Questions:
a. What is the chemical symbol for gold?
b. Which planet is known as the Red Planet?
c. What is the process by which plants convert sunlight into energy called?
d. What is the smallest unit of matter?
e. Which gas makes up the majority of the Earth's atmosphere?

2. Short Answer Questions:
a. Explain the process of photosynthesis.
b. Define the concept of force and provide an example.
c. What is the difference between a physical change and a chemical change?
d. Describe the structure and function of a cell.
e. How does DNA determine an individual's traits?

3. Long Answer Questions:
a. Discuss the three states of matter and explain their properties.
b. Explain the process of digestion in the human body.
c. Describe the structure and function of the respiratory system.
d. Discuss the impact of global warming on the environment.
e. Explain the concept of evolution and provide evidence to support it.

4. Diagram Based Questions:
a. Label the parts of a flower and describe their functions.
b. Draw and label the phases of the moon.
c. Illustrate the carbon cycle and explain its importance in the ecosystem.
d. Draw and explain the process of mitosis.
e. Create a diagram showing the layers of the Earth's atmosphere.

Remember to read each question carefully and provide accurate and concise answers. Pay attention to any specific instructions given for each question. Good luck with your science question paper!