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Mr. Johnson's ES6 > Metric System > Flashcards

Metric System Flashcards

1
Q

What is the base unit of measurement for length?

A

Meter (m)

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2
Q

What is the base unit of measurement for mass?

A

Gram (g)

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3
Q

What is the base unit of measurement for volume?

A

Liter (L)

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4
Q

What is the base unit of measurement for temperature?

A

Celsius (C)

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5
Q

How would you represent 1 millimeter in meters?

A

0.001m

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6
Q

How would you represent 1 kilometer in meters?

A

1000m

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7
Q

How would you represent 10 kilograms in decigrams?

A

100,000 dg

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8
Q

How would you represent 2.5 dekaliters in milliliters?

A

25,000 mL

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9
Q

1 inch = _____cm

A

2.54cm

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10
Q

1 mile = _____km

A

1.6km

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11
Q

2.54cm = ________mm

A

25.4mm

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12
Q

100cm = ________m

A

1m

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13
Q

45mg = ________kg

A

0.000045kg

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14
Q

4.27m = ________dm

A

42.7dm

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15
Q

What measuring system do we use in science?

A

The Metric System, also know as The International System of Units (SI).

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16
Q

What are the three base units of measurement?

A

Meter, Gram, Liter

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17
Q

If I was going to measure how much milk was in my glass what base measurement would I use?

A

Liter

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18
Q

If I was building a table and wanted to cut the wood to the correct length what base measurement would I use?

A

Meter

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19
Q

If I wanted to know the mass of a soccer ball what base measurement would I use?

A

Gram

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20
Q

What label would I give a temperature reading in science?

A

Celsius

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21
Q

Can you name the 6 prefixes?

A

Kilo - Hecto - Deka - Deci - Centi - Milli

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22
Q

Kilo- means?

A

1000 or 1000 of the base unit

23
Q

Milli- means?

A

0.001 or 1/1000th of the base unit

24
Q

Deka- means?

A

10 or 10 of the base unit

25
Q

Centi- means?

A

0.01 or 1/100th of the base unit

26
Q

Hecto- means?

A

100 or 100 of the base unit

27
Q

Deci- means?

A

0.1 or 1/10th of the base unit

28
Q

I found the mass of an object with the Triple Beam Balance, what would I record on my data sheet?

A

I would record 157g. on my data sheet, which tells me that the objects mass is 157 grams.

29
Q

I found the mass of an object with the Triple Beam Balance, what would I record on my data sheet?

30
Q

I found the mass of an object with the Triple Beam Balance, what would I record on my data sheet?

31
Q

I found the mass of an object with the Triple Beam Balance, what would I record on my data sheet?

32
Q

What is the best metric unit to measure your own mass?

A

Kilograms (kg)

33
Q

What is the best metric unit to measure the amount of spices in a batch of cookies?

A

Milligrams (mg)

34
Q

What is the best metric unit to measure a stack of 10 pennies?

35
Q

What is the mass of 100 millileters (mL) of water?

A

100 grams (g)

The density of water is 1g/mL or 1g/cm3

If we know that the density of water is 1g/cm3 then we know that 1 cm3 of water equals 1 mL of water. We can then determine that 1 mL of water has a mass of 1g.

Knowing these calcualtions we can then determine that 100mL of water has a mass of 100g.

36
Q

What is the density of water?

A

The density of water is 1g/cm3 or 1g/mL

37
Q

The density of gold is 19.3 g/cm3

Will gold sink in water?

A

Yes

Water has a density of 1g/cm3 and gold has a density of 19.3g/cm3. If we look at both of these densities we can clearly see that gold is more dense than water and will sink to the bottom.

38
Q

What is the calculation needed to find the density of an object?

A

To find the density of an object we need to find its mass and divide it by its volume.

The answer will be labeled with ___g/cm3.

39
Q

What would the denisty of an object need to be to float in water?

A

The objects density needs to be less than 1g/cm3 to float in water.

40
Q

What would the density of an object need to be to sink in water?

A

The objects density needs to be greater than 1g/cm3

41
Q

What would the density of an object need to be to remain suspended in water?

A

The objects density would need to be the same as the density of water. It would need to equal 1g/cm3.

42
Q

1.76m = ______cm

43
Q

239cm = _____m

44
Q

4.8cm = _____mm

45
Q

7.64km = _____m

46
Q

67mL = _____L

47
Q

35L = ____cL

48
Q

24kg = ____dg

49
Q

38g = ____mg

50
Q

200mg = _____dkg

51
Q

If an object has a mass of 38g and a volume of 54mL, what would its density be?

A

0.7g/ml or 0.7g/cm3

Would this object float of sink in water?

52
Q

If an object has a mass of 593g and a volume of 782mL, what would its density be?

A

0.76g/mL or 0.76g/cm3

53
Q

If an object has a mass of 1462g and a volume of 312mL, what would its density be?

A

4.69g/mL or 4.69g/cm3

Mr. Johnson's ES6 (7 decks)

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