Unit 1 Vocabulary

prediction

• A statement about what will happen in the future based on evidence or knowledge.

• A guess made without any evidence or knowledge.

• A conclusion drawn from past experiences.

• A random thought about the future.

liter

• The standard metric unit for volume.

• A unit of mass in the metric system.

• A unit of length in the metric system.

• A unit of temperature measurement.

quantitative

• Type of observation that includes numbers.

• Type of observation that includes colors.

• Type of observation that includes shapes.

• Type of observation that includes textures.

theory

• A comprehensive explanation of multiple phenomena

• A simple observation of a single event

• A random guess about future events

• A collection of unrelated facts

controlled experiment

• An experiment in which only one variable is changed at a time.

• An experiment that is conducted without any variables.

• An experiment that tests multiple variables simultaneously.

• An experiment that is not repeatable.

mass

• The standard unit for measurement of mass.

• A measure of the amount of space an object occupies.

• The force exerted by gravity on an object.

• A measure of the temperature of an object.

variable

• Parts of an experiment that are changed by the scientist or cause by this change.

• Elements that remain constant throughout the experiment.

• The final outcome measured in an experiment.

• Factors that are not related to the experiment.

constant

• A value or condition that does not change in an experiment.

• A variable that can change during an experiment.

• A measurement that is taken at the beginning of an experiment.

• A hypothesis that is tested in an experiment.

hypothesis

• A proposed explanation for a phenomenon, to be tested scientifically.

• A definitive conclusion based on extensive evidence.

• An untestable assumption about a situation.

• A random guess made without any prior knowledge.

temperature

• The degree of heat present in a substance or object.

• The measure of how cold something is.

• The amount of energy in a system.

• The state of matter of a substance.