
Science
8th Grade
NGSS covered
Used 9+ times

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37 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
She left the cubes in the water for three hours. Which of the following describes a heat flow that took place during those three hours?
from the aluminum cube to the beaker
from the copper cube to the boiling water
from the aluminum cube to the copper cube
from the boiling water to the aluminum cube
Tags
NGSS.MS-PS1-4
NGSS.MS-PS3-3
NGSS.MS-PS3-4
NGSS.MS-PS3-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When a candle is lit, the wick burns, the wax melts, the candle changes shape, and the air around the candle heats up. Which of the following is an example of a chemical change?
the wick burning
the wax melting
the candle changing shape
the air around the candle heating up
Tags
NGSS.MS-PS1-2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which physical property did Matthew most likely use to sort the cubes into two groups?
density
magnetism
melting point
electrical conductivity
Tags
NGSS.MS-PS1-2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), and Francium (Fr) are in the same column in the periodic table. Why are these elements in the same column in the periodic table?
They have similar properties.
They have atoms of the same size.
They have the same number of protons.
They have the same number of neutrons.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which statement best summarizes the development of the atomic theory over time?
The discovery of new evidence resulted in changes to the atomic theory.
Advancements in atomic models proved the atomic theory was accurate.
The atomic theory was modified with the discovery of every new element.
Changes in atomic models showed that the atomic theory was based on opinion.
Tags
NGSS.MS-PS1-1
NGSS.MS-PS1-5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Scientific knowledge may change as new evidence or information is discovered. Which of the following would NOT be a result of new scientific research and information?
A. Binomial nomenclature is assigned to a recently identified plant species.
B. An endangered monkey species is put in a reserve for protection from extinction.
C. A newly discovered chemical element will be added to the periodic table of the elements.
D. A nonnative plant species will begin to reproduce rapidly after being introduced into a swamp ecosystem.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following describes a limitation of the drawing but NOT the clay model?
It does not represent the main parts of a cell.
It does not contain the correct number of nuclei.
It cannot represent a living cell, since a true cell is three-dimensional.
It cannot represent a living cell, since the cytoplasm should be in constant motion.
Tags
NGSS.MS-LS1-2
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