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12 Science > Science 10 > Flashcards

Science 10 Flashcards

1
Q

What is the main function of white blood cells in the human body?

A

Immune response and fighting infections.

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2
Q

What term describes the speed at which sound travels through a medium?

A

Sound velocity or speed of sound.

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3
Q

What is the name of the process by which plants release oxygen?

A

Photosynthesis.

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4
Q

Which planet in our solar system has the most moons?

A

Saturn.

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5
Q

What is the term for the study of heredity and the variation of inherited characteristics?

A

Genetics.

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6
Q

What is the chemical formula for table sugar?

A

C12H22O11.

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7
Q

What type of bond is formed by the sharing of electron pairs between atoms?

A

Covalent bond.

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8
Q

What is the name of the largest bone in the human body?

A

Femur.

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9
Q

What phenomenon is responsible for the northern and southern lights (aurora)?

A

Solar wind interacting with Earth’s magnetosphere.

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10
Q

What is the common term for the process of cell division in somatic cells?

A

Mitosis.

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11
Q

What gas do animals exhale that plants use for photosynthesis?

A

Carbon dioxide.

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12
Q

What is the main component of the Sun?

A

Hydrogen.

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13
Q

What unit is used to measure electric current?

A

Ampere (A).

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14
Q

What is the phenomenon where light bends as it passes through different mediums?

A

Refraction.

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15
Q

What is the name of the galaxy nearest to the Milky Way?

A

Andromeda Galaxy.

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16
Q

What is the term for a substance that speeds up a chemical reaction without being consumed?

A

Catalyst.

17
Q

In which part of the plant does photosynthesis primarily occur?

A

Leaves.

18
Q

What is the term for an organism that breaks down dead or decaying organisms?

A

Decomposer.

19
Q

What is the chemical symbol for iron?

A

Fe.

20
Q

What type of celestial body is Pluto classified as?

A

Dwarf planet.

21
Q

What is the name of the process by which a solid changes directly into a gas?

A

Sublimation.

22
Q

What is the measure of the amount of matter in an object?

A

Mass.

23
Q

What is the term for the point where an earthquake originates?

A

Epicenter.

24
Q

What type of wave is sound?

A

Longitudinal wave.

25
Q

What is the name of the phenomenon where an object appears to be displaced due to the bending of light in water or air?

A

Refraction.

12 Science (10 decks)

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