TerraNova Science 1 — Questions and Answers
Question 1: Which planet is known as the Red Planet?
- Mars (Correct answer)
- Venus
- Jupiter
- Saturn
Correct answer: Mars
Mars appears red due to iron oxide (rust) on its surface.
Question 2: What is the process by which plants make their own food using sunlight?
- Photosynthesis (Correct answer)
- Respiration
- Fermentation
- Digestion
Correct answer: Photosynthesis
Photosynthesis is the process where plants convert sunlight, water, and CO₂ into glucose and oxygen.
Question 3: Which of the following is a conductor of electricity?
- Copper wire (Correct answer)
- Rubber band
- Plastic ruler
- Glass bottle
Correct answer: Copper wire
Copper is a metal that allows electrons to flow freely, making it an excellent electrical conductor.
Question 4: What type of rock is formed from cooled magma or lava?
- Igneous (Correct answer)
- Sedimentary
- Metamorphic
- Limestone
Correct answer: Igneous
Igneous rock forms when molten rock (magma or lava) cools and solidifies.
Question 5: Which organ pumps blood throughout the human body?
- Heart (Correct answer)
- Liver
- Lungs
- Kidney
Correct answer: Heart
The heart is the muscular organ that pumps blood through the circulatory system.
Question 6: What is the chemical symbol for water?
- H₂O (Correct answer)
- CO₂
- O₂
- NaCl
Correct answer: H₂O
Water is composed of two hydrogen atoms and one oxygen atom, written as H₂O.
TerraNova Science 1
Which planet is known as the Red Planet?