Explanation

• Light travels in a straight line.
• It is also known as a rectilinear path.
• It in a homogeneous medium like air or vacuum.

Explanation

• The Moon is a non-luminous object because it does not produce its own light.
• Instead, it reflects the light of the Sun.

Explanation

Our Sun formed about 4.57 billion years ago from a cloud of gas and dust known as a solar nebula.

This process eventually led to the formation of the entire solar system.

Explanation

Evaporation is the process where liquid turns into gas at temperatures below its boiling point.

It occurs at the surface of the liquid.

It is influenced by factors like temperature and surface area.

Explanation

Invertebrates are animals that do not have a backbone or spinal column. This group includes:

• Insects
• Arachnids (like spiders and scorpions)
• Crustaceans (like crabs and lobsters)
• Mollusks (like squids and octopuses)
• Echinoderms (like starfish and sea urchins)
• Worms

Explanation

• Jupiter is the largest planet of the solar system.
• It is the 5th planet in our solar system.
• The planet in the solar system with the maximum number of moons is Jupiter.
• Jupiter has 79 known moons.
• The Great Red Spot is a prominent feature of Jupiter.
• Jupiter is the giant planet and the fastest-rotating planet in our solar system.
• It rotates approximately once every 10 hours.
• The age of Jupiter is about 4.603 billion years.
• Mercury is the smallest planet of the solar system.

Explanation

• Mars is referred to as the Red Planet.
• It has rivers, streams, lakes, and oceans.
• It has the largest volcano Olympus Mons.
• It has two moons; Deimos and Phobos.

Explanation

Number of moons in the planets:

Mercury: 0

Venus: 0

Earth: 1

Mars: 2

Jupiter: 95

Saturn: 146

Uranus: 27

Neptune: 14

Explanation

• Athlete's foot is a common fungal infection caused by fungi such as Trichophyton, Epidermophyton, and Microsporum.
• Rashes can be caused by various factors, including fungal infections. For example, ringworm (a fungal infection) can cause a rash.

Explanation

• The Pakistan Space and Upper Atmosphere Research Commission (SUPARCO) was established in 1961.
• It was originally formed as a Committee in 1961 and gained Commission status in 1981.
• The SUPARCO is Pakistan's national space agency and is responsible for the development of space technology and its peaceful applications in the country.
• It is headquartered in Islamabad and has technical facilities in Karachi, Lahore, Multan, Quetta, Peshawar and Gilgit.