Science Skills Flashcards

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1
Q

What does Aim mean?

A

states what an experiment it trying to find out.

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2
Q

What does Hypothesis mean?

A

Prediction on what will happen in the experiment.

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3
Q

What does Method mean?

A

Step-by-step plan explaining how the experiment is carried out.

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4
Q

What do results mean?

A

Collecting and processing data

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5
Q

What does conclusion mean?

A

Explains what you can understand from the results of the experiment, and should relate back to the aim and hypothesis.

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6
Q

What do Accurate results mean?

A

Refers to how close a measurement is to the true or accepted value.

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7
Q

What do Reliable results mean?

A

Refers to how close repeated measurements are to each other.

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8
Q

What are independat variables?

A

refers to the variable that is changed in an experiment.

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9
Q

What are dependent variables?

A

Variables being measured in a scientific experiment. Its values depend on the changes in the independent variable.

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10
Q

What are controlled variables?

A

Any variable that is constant and unchanged throughout the experiment.

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11
Q

What are the functions of a test tube?

A

To mix and or heat small amount of solids and liquids.

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12
Q

What are the functions of a beaker?

A

Collecting, mixing, and heating chemicals.

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13
Q

What are the functions of filter paper and funnel?

A

To separate solids from liquids.

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14
Q

What are the functions of a conical flask?

A

to collect filtered liquid, and to hold liquids that need swirling to mix.

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15
Q

What are the functions of a tripod?

A

Support beakers and other apparatus for heating.

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16
Q

What are the functions of a gauze mat?

A

Placed on tripod to support beakers, flasks, etc. They also spread out heat from the bunsen

17
Q

What are the functions of a clamp stand?

A

Holds apparatus at a suitable height

18
Q

What are the functions of a boiling tube?

A

To heat small volumes of liquid for boiling. Holds about 30 ml

19
Q

What are the functions of an evaporating basin?

A

To evaporate liquid by heating over a bunsen burner.

20
Q

What are the functions of a heatproof mat?

A

Protects bench from hot objects, is placed under bunsen.

21
Q

What are the functions of a bunsen burner?

A

To provide the heat needed for many experiments.

22
Q

What are the functions of a measuring cylinder?

A

To measure volumes of liquids.

23
Q

What are the functions of test tube holders?

A

Hold test tube when heating it over a bunsen flame.

24
Q

What are the function of tongs?

A

to handle hot equipment