Nature Of Science #1
A hypothesis is:
A possible explanation based on observations and information
Which comes first in the scientific method?
Make observations and collect information
What is the SI unit for length?
Meter
What is scientific notation used to represent?
Very large and very small numbers
A scientist changes the amount of light and measures algae growth. What is the independent variable?
Amount of light
A variable that is kept the same is called a:
Constant/control variable
What is mass?
Amount of matter in an object
Write 45,000 in scientific notation.
4.5 × 10⁴
Which statement best describes a scientific law?
It describes or predicts what happens
Which statement is correct?
Laws describe and theories explain.
How many seconds are in 2 minutes?
120
Which is the correct scientific notation for 600,000?
6 × 10⁵
What is pseudoscience?
Something that sounds scientific but is not based on proper scientific methods
Which is an example of pseudoscience?
Astrology
Convert 4.5 m to cm
450 cm
Write 7.1 × 10⁻³ in standard notation.
0.0071
The dependent variable is the variable that is
Measured or observed
"If I increase the amount of sunlight, then the plant will grow taller" is an example of a:
Prediction
Convert 2500 mL to L
2.5 L
What is 3.75 × 10⁴ written in standard notation?
37,500