Scientific Method & Matter Test

Phosphorus (P)

What would be the appropriate type of graph for this data?

What type of substance is solid hydrochloric acid?

What would be a valid conclusion to draw from this experiment?

Semi-Conductive

Ductile

TRUE OR FALSE: Gases have indefinite shape and volume.

Tellurium (Te)

TRUE OR FALSE: There are 18 periods on the periodic table.

After data is analyzed, what are the proper next steps?

Name lab equipment A.

Name lab equipment B.

TRUE OR FALSE: Matter has mass but no volume.

What is the independent variable (IV) in this experiment?

What type of substance is rubbing alcohol (an alcohol and water solution)?

TRUE OR FALSE: The particles of a liquid move slower than those of a gas.

Brittle

TRUE OR FALSE: The particles of solids do not move at all.

TRUE OR FALSE: The amount of energy present before and after a chemical change is constant.

Name lab equipment E.

What would be the most appropriate title for the graph?

What is the dependent variable (DV) in this experiment?

What type of matter is made of two or more substances but has a uniform composition?

Which answer list the first four steps of the scientific method in the proper order?

TRUE OR FALSE: Centrifugation separates mixtures based on differences in density.

Is combining oxygen and hydrogen to make water a physical or chemical change?

Name lab equipment C.

What type of substance is solid sulfur?

Located to the left of the zig-zag line (staircase).

TRUE OR FALSE: An intensive property changes with the amount of matter present.

TRUE OR FALSE: Volume is an extensive property.

All are silver/gray in color.

Is melting aluminum wire a physical or chemical change?

What types of matter cannot be separated by physical means?

Located along the zig-zag line (staircase).

TRUE OR FALSE: After filtration, the solid component ends up trapped in the filter.

When graphing this data, on which axis would you plot the temperature?

Name lab equipment D.

Is burning sugar to make creme brulee a physical or chemical change?

When graphing this data, on which axis would you plot the reaction time?

Sodium (Na)

What type of substance is beach sand?

What is a controlled (constant) variable in this experiment?

Name lab equipment F.

Lustrous