Science Flashcards.

Scientific Notation

A shorthand way of writing very large or very small numbers by multiplying a number by a power of ten.

Mass

The amount of matter in an object.

Volume

The amount of three-dimensional space occupied by an object or substance.

Reasoning

Explains how and why evidence and science concepts support a claim to help make a strong argument.

Claim

A clear, concise, and specific statement that answers a question or problem.

CER

A structure for writing an argument or explanation that consists of a claim, evidence, and reasoning; it describes how evidence supports a claim.

Quantitative Observation

Numerical measurements or observations.

Qualitative Observation

Things you notice or observe using your senses.

Evidence

Facts or observations that support or refute an idea.

Controlled Experiment

An experiment in which only ONE variable is changed.

Controlled Variables

Factors kept the same or constant for all experimental groups.

Control

A group that provides a "baseline" to compare your experimental groups.

Experimental Groups

Groups that receive a different amount or type of the variable you are changing.

Independent Variable

The factor you change or manipulate in the experiment.

Dependent Variable

The factor you measure in the experiment.

Direct Relationship

A change in the independent variable causes the same change in the dependent variable.

Indirect Relationship

A change in the independent variable causes the opposite change in the dependent variable.

Exponential Relationship

A change in the independent variable causes the dependent variable to change at a faster rate.

Beaker

Used to hold, heat, mix, or measure approximate volume of liquids.

Graduated Cylinder

Used to measure precise volumes

Meniscus

Curved upper surface of a liquid inside a tube; reading is taken from the middle of the curve

Flask

Wide body and narrow neck; used to hold, mix, heat, or measure liquids and gases.