chem final
Authored by El Mohr
Chemistry
10th Grade
NGSS covered
Used 26+ times
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96 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The big bang theory is an example of a scientific theory. This means that it is:
An educated guess on the origin of the universe
Speculation on the origin of the universe
A mathematical model or equation that predicts how things behave in the universe
The best available explanation for the origin of the universe, based on experiments,
observations, and mathematical models
Tags
NGSS.HS-ESS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You decide to burn a couch over the weekend in celebration of the local sports team, and reduce an old couch to ashes. Which of the following statements is true?
The total amount of matter in the universe decreased after you burned the couch
The total amount of matter in the universe increased after you burned the couch
The total amount of matter in the universe is the same before and after you burn the couch
You are unable to make a prediction about the total amount of matter in the universe
without weighing the ashes of the burned couch
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you roll a ball down a hill, the ball gains kinetic energy. Which of the following statements is true?
The total amount of energy in the universe decreased after you rolled the ball down the hill
The total amount of energy in the universe increased after you rolled the ball down the hill
The total amount of energy in the universe stays the same after you rolled the ball down the hill
You are unable to make a prediction about the total amount of energy in the universe
without measuring the speed of the ball before and after rolling down the hill
Tags
NGSS.HS-PS3-2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Coulomb's law states that two electrically charged objects will feel an attractive or repulsive force between them proportional to the amount charge they have and the distance between them. Why is this considered a scientific law and not a theory?
This equation describes what will happen in a particular situation, but doesn't explain how
or why it occurs
This equation explains why or how a phenomena occurs, but doesn't describe what will
happen in a particular situation
This equation has not yet been tested enough to make it a scientific theory
This relationship is just a guess
Tags
NGSS.HS-PS2-4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similarly charged objects are placed next to each other so that they are touching.
What will they tend to do?
repel
attract
no change
Tags
NGSS.HS-PS2-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two opposite are placed next to each other so that they are touching. What will they tend to do?
repel
attract
no change
Tags
NGSS.HS-PS2-4
NGSS.HS-PS3-5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As the distance between two charges increases, the force between them will
increase
decrease
stay the same
Tags
CCSS.7.RP.A.3
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