Science Knowledge Trivia Quiz For Kids

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| By Keith Foster

Keith Foster, Quiz Creator

Keith is a dedicated member of ProProfs.com, specializing in creating engaging and diverse quizzes. His passion for knowledge and creativity drives him to develop captivating and enjoyable content. Keith's commitment to high-quality standards and innovative ideas ensures his quizzes are informative and entertaining for a wide audience.

Quizzes Created: 1110 | Total Attempts: 2,462,211

Questions: 10 | Attempts: 208 | Updated: Mar 20, 2023

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Science Knowledge Trivia Quiz For Kids - Quiz

This is a small fun quiz for kids to test their knowledge on basic general science. This science knowledge trivia quiz for kids is not only for fun, but will also enlighten you with a little scientific knowledge. Questions are pretty simple and basic, with easy to choose options. Just try to score as much as you can with your knowledge. In the end, please tell us in the comments how much you scored.

Questions and Answers

1.

Which of these statements is wrong?
- A.
  
  Earth revolves around sun.
- B.
  
  There are 10 planets in our solar system.
- C.
  
  Trees have life.
- D.
  
  We can not breath in space.
Correct Answer
B. There are 10 planets in our solar system.

Explanation
The statement "There are 10 planets in our solar system" is wrong. In 2006, the International Astronomical Union redefined the definition of a planet, and as a result, Pluto was reclassified as a "dwarf planet." Therefore, there are currently only 8 planets recognized in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

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2.

Which of these is not a fish?
- A.
  
  Blue whale
- B.
  
  Shark
- C.
  
  Gold fish
- D.
  
  Cat fish
Correct Answer
A. Blue whale

Explanation
Blue whale is not a fish because it is a mammal, not a fish. While sharks, goldfish, and catfish are all types of fish, blue whales are marine mammals that belong to the group of cetaceans. They are the largest animals on Earth and breathe air through lungs, unlike fish that have gills to extract oxygen from water.

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3.

Fishes are capable of having oxygen underwater because:
- A.
  
  They have special lungs.
- B.
  
  Through their eyes.
- C.
  
  They can't, they have to come to the surface.
- D.
  
  They have gills.
Correct Answer
D. They have gills.

Explanation
Fishes are capable of having oxygen underwater because they have gills. Gills are specialized respiratory organs that allow fishes to extract oxygen from water. As water passes over the gills, oxygen is absorbed into their bloodstream, while carbon dioxide is released. This adaptation enables fishes to efficiently extract oxygen from their aquatic environment, allowing them to survive and thrive underwater.

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4.

Which of these is not a blood cell?
- A.
  
  Black blood cells
- B.
  
  Red blood cells
- C.
  
  White blood cells
Correct Answer
A. Black blood cells

Explanation
Black blood cells are not a type of blood cell. The correct answer is black blood cells.

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5.

Which is the fastest running land animal?
- A.
  
  Dog
- B.
  
  Cheetah
- C.
  
  Ostrich
- D.
  
  Snake
Correct Answer
B. Cheetah

Explanation
The cheetah is the fastest running land animal. It can reach speeds of up to 70 miles per hour in short bursts, allowing it to chase down its prey with incredible speed and agility. Its long, slender body and long legs contribute to its ability to run at such high speeds. The cheetah's acceleration and agility make it a formidable predator in the animal kingdom.

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6.

Humans have proved to be the most intelligent creature on Earth. True or false?
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Humans have demonstrated their superior intelligence through their ability to create complex societies, develop advanced technologies, and solve intricate problems. They possess higher cognitive abilities, such as reasoning, problem-solving, and critical thinking, which set them apart from other creatures on Earth. Their capacity for language, creativity, and innovation further supports the claim that humans are the most intelligent species.

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7.

How many layers our there on Earth?
- A.
  
  3
- B.
  
  1
- C.
  
  4
- D.
  
  9
Correct Answer
C. 4

Explanation
There are four layers on Earth. These layers are the crust, mantle, outer core, and inner core. The crust is the outermost layer and is made up of solid rock. The mantle is beneath the crust and is composed of semi-solid rock. The outer core is a liquid layer made of molten iron and nickel. Finally, the inner core is the solid center of the Earth, consisting of iron and nickel.

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8.

What is Newton's first law?
- A.
  
  A body at rest or constant moving state will remain so unless an outer force acts upon this.
- B.
  
  Every action has equal and opposite reaction.
- C.
  
  Gravity does not work when there is no air.
Correct Answer
A. A body at rest or constant moving state will remain so unless an outer force acts upon this.

Explanation
Newton's first law, also known as the law of inertia, states that an object at rest will stay at rest, and an object in motion will stay in motion with the same speed and direction, unless acted upon by an external force. This means that objects tend to resist changes in their motion, either staying at rest or maintaining their current state of motion, unless a force is applied to them.

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9.

Which of these is not a fruit?
- A.
  
  Apple
- B.
  
  Orange
- C.
  
  Onion
- D.
  
  Mango
Correct Answer
C. Onion

Explanation
Onion is not a fruit because it is a vegetable. Unlike fruits, onions do not develop from the ovary of a flowering plant and contain seeds. Instead, onions are bulbs that grow underground and are used as a culinary ingredient for their savory flavor. While apples, oranges, and mangoes are all fruits that develop from the flowering plants' ovaries and contain seeds, onions are classified as vegetables due to their different botanical characteristics.

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10.

A gadget to check temperature is called what?
- A.
  
  Lactometer
- B.
  
  Inch Meter
- C.
  
  Weighting machine
- D.
  
  Thermometer
Correct Answer
D. Thermometer

Explanation
A gadget used to check temperature is called a thermometer. It is a device that measures temperature by using a temperature-dependent physical property, such as the expansion of a liquid or gas, or the resistance of a metal. Thermometers are commonly used in various fields such as medicine, weather forecasting, and scientific research to monitor and measure temperature accurately.

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