Test - Scientific method, equipment, measuring Flashcards

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1
Q

What are tongs used for?

A

They are used to pick up or hold hot objects.

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2
Q

What are goggles used for?

A

They are used to protect the eyes from flying objects or chemical splashes.

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3
Q

What is a beaker?

A

It is a wide-mouthed container used to transport, heat, or store substances.

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4
Q

What is a test tube?

A

It is a small glass container used to view chemical reactions or to heat small amounts of a substance.

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5
Q

What is a triple beam balance used for?

A

It is a device used to measure the mass of an object or substance.

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6
Q

What is a lab coat used for?

A

It is used to protect the scientist and the scientist’s clothes from hazardous or hot chemicals.

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7
Q

What is an eye dropper used for?

A

It is used to dispense a very small amount of liquid.

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8
Q

What is a striker used for?

A

It is used to light a Bunsen burner?

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9
Q

What does a ring clamp do?

A

It attaches to a lab stand and is used to hold a variety of lab equipment.

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10
Q

What is a graduated cylinder used for?

A

It is used to measure volume very precisely.

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11
Q

What is a lab stand?

A

It is used to hold a variety of lab equipment.

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12
Q

What is a funnel used for?

A

It is used to pour liquids into containers with small openings or to hold filter paper.

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13
Q

What is a Bunsen burner used for?

A

It is used to heat objects.

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14
Q

What is an Erlenmeyer flask and what is it used for?

A

An Erlenmeyer flask is a narrow-mouthed container that is used to transport, heat or store substances, often used when a stopper is required.

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15
Q

What acronym is used to remember how to convert metric units?

A

King Henry Doesn’t Usually Drink Chocolate Milk

Kilo Hecto Deka Unit Deci Centi Milli

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16
Q

What is an independent variable?

A

An independent variable is what you will be changing in the experiment. Only ONE THING can be changed.

17
Q

What is a dependent variable?

A

A dependent variable is what will respond to the change in the experiment.

18
Q

What are constant variables?

A

Constant variables are variables that remain the same each time.

19
Q

What is the meniscus?

A

The meniscus is the slight curve formed by a liquid when it’s in a container. (You measure from the bottom of the meniscus.)

20
Q

What is a hypothesis?

A

A hypothesis is a possible explanation for something observed. Collected data can support a hypothesis.

21
Q

What is the standard metric unit of length?

A

Meter

22
Q

What is the standard metric unit of volume?

A

Liter

23
Q

What is the standard metric unit of mass?

A

Gram

24
Q

What is the standard metric unit of temperature?

A

Degrees Celcius

25
Q

What is quantitative data?

A

It is numerical data. (Hint: Quantity is the amount of something. Quantity and quantitative share the same root word.)

26
Q

What is qualitative data?

A

It is data that does not use numbers.

27
Q

How is data showed?

A

It is interpreted and presented in the visual form of a graph so trends can be revealed.