Games Science

Quiz
•
Science
•
8th Grade
•
Hard
+11
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the layer of mixed gases around the Earth called?
Hemisphere
Atmosphere
Asthenosphere
Lithosphere
Tags
NGSS.MS-ESS2-5
NGSS.MS-ESS2-6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows the arrangement of electrons in a neon atom. How many protons are present in this atom's nucleus?
10
8
2
There is not enough information to answer this question.
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The atoms of a certain element each contain 11 protons and 1 valence electron. Which statement correctly identifies this element and describes its chemical reactivity?
The element is sodium, and it is highly reactive
The element is fluorine, and it is highly reactive
The element is sodium, and it is not very reactive
The element is fluorine, and it is not very reactive
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many of each atom are in the compound above?
1 magnesium atom, 2 iron atoms, and 4 oxygen atoms
3 magnesium atoms, 2 iron atoms, and 4 oxygen atoms
6 magnesium atoms, 6 iron atoms, and 12 oxygen atoms
3 magnesium atoms, 6 iron atoms, and 12 oxygen atoms
Tags
NGSS.MS-PS1-1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Potassium nitrate is a compound used in some fertilizers. Its chemical formula
is KNO3. How many TOTAL atoms are in each unit of potassium nitrate?
2
5
3
9
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Look at the pictures above. A shows the bag before the vinegar and baking soda are mixed together, and B shows it after they are mixed together. In which picture do the contents of the bag have the greater mass?
The mass is greater in A—before they are mixed.
The mass is greater in B—after they are mixed.
The mass is the same in both.
The mass depends on the temperature.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
While practicing in a simulator, an astronaut experienced an acceleration of 26 m/s2. The astronaut's mass was 63.0 kg. In Newtons, what force did the astronaut experience?
2.42 N
37 N
1638 N
42,588 N
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