Science cards 1

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Base

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What is a constant?

A factor that is kept the same This allows a fair test

What is a control?

A standard against which all other test results will be compared. The control group is exposed to the same conditions as the experimental group except for the variable being tested.

5th step of scientific method

Analyze your results

Electric current

Apere A

1st step of the scientific method

Ask the question

Intensity of light

Candela cd

6th step of scientific method

Conclusion, decide if your hypothesis was wrong or right

Volume

Cubic centimeters or milliliter Cm3 or mL

Giga-

G 1,000,000,000 Billion

2nd step of the scientific method

Gather infirmation

3rd step of scientific method

Hypothesis, make an educated guess

Temperature

Kelvin K

Mass

Kilogram kg

Milli-

M .001 Thousandth

Mega-

M 1,000,000 Million

4th step of scientific method

Make an experiment

Length

Meter m

Amount of substance

Mole mol

Time

Second s

John watches his grandmother bake bread. He asks his grandmother what makes bread rise. Grandma explains that yeast releases a gas as is feeds on sugar. John wonders if the amount of sugar used in the recipe will affect the size of the bread loaf. He decides to bake a couple of breads using different amount of sugar. To bake the bread to bake the bread he will use his grandmothers oven and bake them at 375 degrees. What is the independent variable? What is the dependent variable? What are the two constants?

The independent variable is the amount of sugar. The dependent variable is the size of the bread loaf. The two constants are the oven and the temperature that the bread is baked at.

What is the dependent variable? (Aka)

The thing in an experiment that is being measured and observed Aka responding variable

What is the independent variable? (Aka)

What is changed in an experiment. Aka manipulated variable

Centi-

c .01 Hundreth

Deci-

d .1 Tenth

Deka-

da 10 Ten

Hecto-

h 100 Hundred

Kilo-

k 1,000 Thousand


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