Science Basics

Vocab

100

Something objective that is based on information gathered from the five senses (ex. The ground is wet.).

What is an observation?

200

Something subjective that is based on opinions or assumptions using context (ex. it rained.).

What is an inference?

300

A ratio of equivalent values 

100 cm / 1 m

1 kg / 2.2 lbs

What is a conversion factor?

400

An explanation of WHY things or events happen based on knowledge gained from many observations and investigations.

What is a theory?

500

A description about HOW things happen in nature that seems to be true all the time.

What is a law?

Measurement

100

The SI unit for length.

What is meter?

200

The SI unit for time.

What is seconds?

300

The SI unit for volume.

What is liter?

400

The SI unit for temperature.

What is Kelvin?

500

The SI unit for mass.

What is kilogram?

Unit Conversions

100

Convert 74 kg to g.

What is 74,000 g?

200

Convert 5 miles to feet.

What is 26,400 feet?

300

Convert 401 K to ^oC.

What is 128^oC?

400

Convert 40^oC to ^oF.

What is 104^oF?

500

Convert 1760 cm to hm.

What is 0.176 hm?

Scientific Notation

100

Convert 41,000 to scientific notation.

What is 4.1 x 10⁴?

200

Convert 0.000057 to scientific notation.

What is 5.7 x 10^-5?

300

Convert 7.0206 x 10³ to standard notation.

What is 7020.6?

400

Convert 8.012 x 10^-2 to standard notation.

What is 0.08012?

500

Convert 300,000,000 to scientific notation.

What is 3.0 x 10⁸?

Scientific Method

100

A testable prediction that predicts a cause and effect relationship between variables.

What is a hypothesis?

200

The part of the experiment that serves as a standard for comparison.

What is the control group?

300

A factor in an experiment that changes in response to the independent variable.

What is the dependent variable?

400

A factor that does NOT change in an experiment.

What is a constant?

500

This is the best type of graph to show percentages of a whole.

What is a circle graph (pie graph, pie chart)?