
Unit 4 Week 1: Heat Intro Review
Authored by Serena Vess
Chemistry, Science
10th - 12th Grade
NGSS covered
Used 4+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which sample will always take the shape and completely fill its container?
H2O(s)
H2O(l)
H2O(g)
H2O(aq)
Tags
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The average kinetic energy of the particles in a sample of matter is expressed as
density
volume
pressure
temperature
Tags
NGSS.HS-PS3-2
NGSS.HS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which temperature change indicates an INCREASE in the average kinetic energy of the molecules in a sample?
288 K to 298 K
310 K to 273 K
305 K to 273 K
355 K to 298 K
Tags
NGSS.HS-PS3-2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What best represents this change:
I2(s) → I2(g)
endothermic chemical change
endothermic physical change
exothermic chemical change
exothermic physical change
Tags
NGSS.HS-PS3-4
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Given the balanced equation representing a reaction:
CH4(g) + 2O2(g) → 2H2O(g) + CO2(g) + heat
The reaction is exothermic because it releases heat
The reaction is exothermic because it absorbs heat
The reaction is endothermic because it releases heat
The reaction is endothermic because it absorbs heat
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student observed that a test tube felt COLDER when a sample of NH4Cl(s) is dissolved in 5.0 mL of water. What best describes the heat flow & classification of the process?
Heat flows from the test tube to the hand; endothermic
Heat flows from the test tube to the hand; exothermic
heat flows from the hand to the test tube; endothermic
heat flows from the hand to the test tube, exothermic
Tags
NGSS.HS-PS3-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What Kelvin temperature is equal to 37oC?
-236 K
236 K
273 K
310 K
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