Ocean Water Test

The heat capacity of water---------- is compared with other naturally occurring substances

• low

• high

• equal

• varies by location

Hydrogen bonds in the water molecule are formed between

• two hydrogen atoms of the same molecule

• two oxygen atoms of the same molecule

• hydrogen and oxygen atoms of the adjacent molecules

• ions insolution between the molecules

Tags

NGSS.MS-ESS2-4

A(n) _____________ is a substance of two or more atoms held together with chemical bonds

• molecule

• ion

• proton

• isotope

• molecule

Tags

NGSS.MS-PS1-1

Which is the property of water that keeps its molecules together?

• surface temperature

• covalency

• cohesion

• liquid tension

All of the following are true of water EXCEPT

• water molecules are created by two hydrogen atoms bonded with one oxygen atom by a nonpolar covalent bond

• water has one of the highest heat capacities of any occurring substance

• the oxygen and hydrogen atoms in water molecules have weak, opposite charges that create electrical attractions between adjacent water molecules

• water can dissolve more things than any other natural substance

Tags

NGSS.MS-PS1-1

Based your answer to the following questions on the diagram below, which shows the results of an experiment in which heat was constantly added to a substance.

Which of the following points represents the substance as a gas?

• B

• A

• D

• F

Tags

NGSS.MS-PS1-4

Which of the following processes occurs between points B and C?

• temperature increase

• melting

• evaporation

• vaporization

Tags

NGSS.MS-PS1-4

When water cools, freezes, the molecules move_______ and take up_______space.

• faster, more

• faster, less

• slower, less

• slower, more

Tags

NGSS.MS-PS1-4

Which of the the following properties is unique to water due to its molecular structure?

• It is less dense as a solid than a liquid

• it can dissolve non-polar materials like hydrocarbons

• It has low surface tension

• It vaporizes more quickly than any other liquid

Tags

NGSS.MS-PS3-2

The sticking together that occurs between particles of different substances is called

• cohesion

• surface tension

• viscosity

• adhesion