Science QE Review - 3rd Quarter

It refers to the smallest unit of matter that forms a chemical element.

• Element

• Molecule

• Atom

• Mixture

It is made up of two or more atoms.

• Element

• Molecule

• Atom

• Mixture

It consists of two or more different substances that are not chemically bonded together.

• Element

• Molecule

• Atom

• Mixture

It consists of only one element or compound.

• Pure substance

• Solution

• Mixture

• Molecule

It is a type of variable that can be manipulated or changed.

• Quantitative data

• Qualitative data

• Independent variable

• Dependent variable

These refer to the data gathered using measuring tools including length, weight, speed, and temperature.

• Quantitative data

• Qualitative data

• Independent variable

• Dependent variable

It is a heterogeneous mixture that may appear homogeneous but is observed as heterogeneous when observed under a microscope.

• Solution

• Colloid

• Suspension

• Solvent

Which of the following is a homogeneous mixture?

• Coffee

• Milk

• Smoke

• Pizza

Which of the following is NOT a colloid?

• Coffee

• Milk

• Smoke

• Whipped cream

It is the phase change from solid to liquid.

• Vaporization

• Condensation

• Freezing

• Melting