Year 4 Science Quiz

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| By Agreen2

Agreen2

Community Contributor

Quizzes Created: 1 | Total Attempts: 130

Questions: 9 | Attempts: 130 | Updated: Mar 17, 2023

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Questions and Answers

1.

What is an invertebrate?
2.

What are the 5 main classifications of animals?
3.

What has been your favourite activity in this topic?
4.

What is an exoskeleton?
- A.
  
  Something that used to have a skeleton.
- B.
  
  A creatures hard outer shell, instead of a skeleton.
- C.
  
  A broken skeleton.
- D.
  
  Option 4
Correct Answer
A. Something that used to have a skeleton.

Explanation
The correct answer is "A creatures hard outer shell, instead of a skeleton." This is because an exoskeleton refers to the external skeleton or hard outer covering that provides support and protection to certain animals, such as insects and crustaceans. It is not something that used to have a skeleton, as the exoskeleton is the current structure of these creatures.

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5.

Dolphins are mammals.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Dolphins are mammals because they possess the characteristics that define mammals. They have mammary glands and nurse their young with milk, they have hair or fur at some point in their life cycle, and they give birth to live young instead of laying eggs. Additionally, dolphins are warm-blooded, have lungs and breathe air, and have a complex social structure, all of which are typical of mammals. Therefore, the statement "Dolphins are mammals" is true.

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6.

Classification is...
- A.
  
  Putting animals into a class to teach.
- B.
  
  Sorting animals by similarities.
- C.
  
  Sorting animals by age.
- D.
  
  Sorting animals by their social class.
Correct Answer
A. Putting animals into a class to teach.

Explanation
The correct answer is sorting animals by similarities. Classification involves grouping animals based on common characteristics or traits to better understand their relationships and categorize them into different classes or categories. It is a way to organize and study the vast diversity of animal species, enabling scientists and educators to teach and communicate about them more effectively.

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7.

To pollute is to...
- A.
  
  Play a lute.
- B.
  
  Dump waste into the natural world.
- C.
  
  Eat fish on a Friday.
- D.
  
  Look after nature.
Correct Answer
A. Play a lute.
8.

Are humans producers or consumers?
- A.
  
  Producer
- B.
  
  Consumer
- C.
  
  I am not human
- D.
  
  Option 4
Correct Answer
A. Producer

Explanation
Humans are considered both producers and consumers. As producers, humans create goods and services through their labor and skills, contributing to the economy and society. They produce food, clothing, technology, art, and various other products. As consumers, humans utilize and consume these goods and services for their personal needs and desires. This dual role as both producers and consumers is a fundamental aspect of human economic behavior.

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Current Version
Mar 17, 2023

Quiz Edited by
ProProfs Editorial Team
May 15, 2020

Quiz Created by
Agreen2

Year 4 Science Quiz

What is an invertebrate?

What are the 5 main classifications of animals?

What has been your favourite activity in this topic?

What is an exoskeleton?

Dolphins are mammals.

Classification is...

To pollute is to...

Are humans producers or consumers?