1st Semester Exam prep

Quiz
•
Science
•
8th Grade
•
Hard
+4
Standards-aligned
Kyle Kugler
Used 8+ times
FREE Resource
49 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement BEST describes the motion of water molecules as the water changes state from steam to liquid?
The molecules move faster and occupy more space.
The molecules move slower and occupy more space.
The molecules move faster and occupy less space.
The molecules move slower and occupy less space.
Tags
NGSS.MS-PS1-4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a mixture of oxygen and hydrogen is ignited in a test tube, the reaction shown occurs.
Hydrogen + Oxygen → Water + Energy
The total mass increases.
The total mass decreases.
The total mass remains the same.
Part of the mass is changed to heat energy.
Tags
NGSS.MS-PS1-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elements on the right side of the periodic table differ from the elements on the left side in that the elements on the right side?
tend to form ions by gaining electrons.
are good electrical conductors.
generally have very high densities.
are solid at room temperature.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The difference between the atomic number of an element and the element’s atomic mass is the number of
ions
protons
neutrons
electrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The difference between the atomic number of an element and the element’s atomic mass is the number of
ions
protons
neutrons
electrons
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The difference between the atomic number of an element and the element’s atomic mass is the number of
ions
protons
neutrons
electrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The difference between the atomic number of an element and the element’s atomic mass is the number of
ions
protons
neutrons
electrons
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