CP - Semester 1 Final Exam Review

What happens when the data collected during an experiment leads the scientist to an implication that does not support the hypothesis?

• The scientist changes the data to match the hypothesis.

• The scientist revises and retests the hypothesis.

• The scientist begins an investigation on a new topic.

• The scientist throws out data that does not support the hypothesis.

Tags

NGSS.MS-LS1-5

NGSS.MS-PS2-5

Which of the following is an example of a chemical change?

• A log is split in two by an axe-wielding lumberjack.

• Frosty the Snowman melts into a puddle of water.

• Layla colors a picture of a princess.

• A log burns in the campfire of a Sasquatch.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Most of the matter in the universe exists in which phase?

• solid

• liquid

• gas

• plasma

Which of the following is not a definition for pressure?

• the force exerted over an area

• the force resulting from gas particles colliding with the container.

• the force exerted by one massive object on another.

• the force exerted on all sides of the surface of a submerged object

Which of the following equations shows how to find the number of neutrons in an atom?

• # of Neutrons = Mass number - Atomic number

• # of Neutrons = Atomic number - Mass number

• # of Neutrons = # of electrons - Atomic number

• # of Neutrons = Atomic number - Isotope number

Which elements are in the same period on the section of the periodic table picture here?

• B, Al, Ga

• C, P, Se

• Cd, Sn, Te

• O, F, Cl

What is the meaning of the prefix on the first word of the chemical trinitrogen dioxide?

• three oxygen atoms

• three nitrogen atoms

• two nitrogen atoms

• two oxygen atoms

Tags

NGSS.MS-PS1-1

The energy of the products of an endothermic reaction was measured to be 890 kJ. What would be the total energy of the reactants?

• 0 kJ

• 445 kJ

• 890 kJ

• 1680 kJ

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Based on the graph shown, what is the mathematical relationship between volume and temperature?

• Direct

• Inverse

• No Relationship

• Exponential

Which of the following is the definition of an element?

• A substance made up of two or more different atoms chemically combined

• A combination of two or more substances physically combined

• A substance made up of two or more atoms bonded together

• A substance made up of only one type of atom