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PSHS Jade 7 > Integrated Science > Flashcards

Integrated Science Flashcards

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1
Q

What is the symbol for kilograms?

A

“kg”

Kilograms are the standard unit for mass.

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2
Q

What is the symbol for meters?

A

“m”

Meters are the standard unit for length.

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3
Q

What is the symbol for seconds?

A

Seconds are the standard unit for time.

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4
Q

What is the symbol for kelvin?

A

“K”

Kelvin is the standard unit for temperature. If the unit is named after a person, the unit is written in capital letters. Kelvin is named after Lord Kelvin or William Thomson.

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5
Q

What is the unit for amperes?

A

“A”

Amperes are the symbol for electricity. it is named after André-Marie Ampère.

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6
Q

What is the symbol for candelas?

A

“cd”

Candelas are the standard unit of luminous intensity.

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7
Q

What is the symbol for moles?

A

“mol”

Moles are the standard unit of substance.

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8
Q

What is the symbol for newtons?

A

“N”

Newtons are the standard units of force and weight. It is named after Isaac Newton.

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9
Q

What is the symbol for watts?

A

“W”

Watts are the standard unit for energy transfer. It is named after James Watt.

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10
Q

What are the 4 common systems of measurement?

A

Imperial, Metric, English, and SI

SI is the standard system. In the Philippines, units are measured in the Metric System.

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11
Q

What is the letter representing length?

A

“l”

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12
Q

What is the letter representing mass?

A

“m”

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13
Q

What is the letter representing time?

A

“t”

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14
Q

What is the letter representing temperature?

A

“T”

Do not mix up “t” for time and “T” for temperature.

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15
Q

When a measurement is close to the widely accepted value, it is _____.

A

Accurate

Accuracy is how close the measurement is to an assigned accepted/set value.

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16
Q

When multiple measurements are either exactly or almost exactly close to one another, the measurements are _____.

A

Precise

Precision is how close multiple measurements are together.

17
Q

What does GRESA mean?

A

Given, Requirement, Equation, Solution, Answer

These are the order you solve word problems.

18
Q

What is the 1 estimated digit at the end of a measurement called?

A

Uncertain Digit

19
Q

What are significant digits?

A

All certain digits and the 1 estimated digit at the end.

20
Q

What is the least count?

A

The smallest unit available in the measuring tool/device

21
Q

How do you calculate least count?

A

Difference between 2 lines
divided by
number of divisions between 2 lines

22
Q

What is a ruler used for?

A

Measuring length.

23
Q

What is a triple beam balance for?

A

Measuring mass.

24
Q

What is the difference between mass and weight?

A

Mass counts the amount of atoms in an object, and is constant.
Weight is a force caused by gravity, and is not constant.

25
Q

What is the least and the most amount of grams available in the first (middle) bar in a triple beam balance?

A

PSHS Jade 7 (3 decks)

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