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SCIENCE5

Quiz by Liezel Padua

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9 questions
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  • Q1

    The incorrect disposal of certain materials can harm the environment, affecting ecosystems, wildlife, and human health. Understanding the environmental impact of materials is essential for responsible waste management. Which of the following materials is often considered harmful to the environment when disposed of incorrectly?

    Question Image

    Wood

    Glass

    Paper

    Plastic

    30s
  • Q2

    When metals are exposed to certain conditions, they can undergo chemical changes that affect their properties. Understanding how materials like iron react in different environments is crucial for applying scientific concepts in real-world situations. What happens to a piece of iron when it is heated in the presence of oxygen?

     

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    It becomes magnetic.

    It turns into iron oxide (rust).

    It melts into a liquid.

    It expands but remains unchanged chemically.

    30s
  • Q3

    The "Reduce, Reuse, Recycle" principle helps minimize waste and conserve natural resources by promoting responsible consumption and waste management. Applying this principle is essential for sustainable living and environmental conservation. Which of the following actions is an example of the "Reduce, Reuse, Recycle" principle in waste management?

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    Donating old clothes to charity instead of discarding them.

    Using plastic bags once and discarding them.

    Buying products with excessive packaging.

    Throwing away old clothes and buying new ones.

    30s
  • Q4

    Flowers play a crucial role in plant reproduction, and different parts of a flower contribute to this process. Understanding the function of each part helps in learning how plants reproduce and sustain ecosystems. Which part of the flower is responsible for producing pollen, which is needed for reproduction?

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     Anther

    Petal

    Stigma

    Ovary

    30s
  • Q5

    During the Puberty stage both boys and girls experience physical and emotional changes. Understanding these changes is key to recognizing the biological process of maturation. What is one of the main physical changes that occur during puberty for both boys and girls?

    Increase in height and body size

    Menstruation

    Development of facial hair

    Deepening of the voice

    30s
  • Q6

    Puberty is a period of growth and development thatbrings specific changes in boys and girls. Understanding these changes can helpexplain the differences in male and female development. During puberty, whichof the following changes occurs specifically in girls?

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    Increase in muscle mass

    Deepening of the voice

    Enlargement of the breasts

    Development of facial hair

    30s
  • Q7

    Accurately measuring the distance an object travels is essential in many experiments and everyday activities. Various tools can be used for this purpose depending on the context and level of precision needed. Which tool is most useful for measuring the distance an object travels?

    Stopwatch

     Balance scale

    Thermometer

    Meter stick

    30s
  • Q8

    In daily life, knowing how to calculate the speed of an object can help inunderstanding various real-world phenomena, such as the movement of vehicles orathletes. A car travels 60 meters in 3 seconds. What is its speed?

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    15 meters per second

    20 meters per second

    25 meters per second

    10 meters per second

    30s
  • Q9

    Understanding motion is fundamental to solving problems in physics and in everyday life, such as recognizing when an object is in motion and how it behaves. Which of the following best describes an object in motion?

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    The object changes position relative to a fixed point over time.

    The object does not change its position but experiences an external force.

    The object remains in the same position relative to a moving point.

    The object stays in the same place and no forces act on it.

    30s

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