
8th Science Staar
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
+18
Standards-aligned
ZACHARY WILSON
Used 5+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Sodium and lithium have similar chemical properties. What characteristics of these elements explains why they are chemically similar?
Their atoms both have one valence electron.
Their atoms both have more neutrons than protons.
Their atoms have the same number of energy levels.
Their atoms contain equal numbers of protons and electrons.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows a model of an atom. The model contains three different subatomic particles. Particle X and Y are inside the nucleus, and particle Z is outside the nucleus.
Both particles X and Y have a positive charge. Particle Z has a negative charge.
Both particles X and Y have a negative charge. Particle Z has a positive charge.
Either particle X or particle Y has a positive charge. Particle Z has a negative charge.
Either particle X or particle Y has a negative charge. Particle Z has a positive charge.
Tags
NGSS.MS-PS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Students observe an unknown species during a field study. They observe that the organism is multicellular, is autotrophic, and can reproduce both sexually and asexually.
Which kingdom does this organism most likely belong to?
Archaea
Animalia
Bacteria
Plantae
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which element has chemical properties that are most similar to the chemical properties of sulfur, S?
Silicon, Si
Chlorine, Cl
Selenium, Se
Phosphorus, P
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student prepared diagrams to model atoms of two elements. Atoms of which two elements are represented by these models?
Oxygen, O, and neon, Ne
Fluorine, F, and neon, Ne
Silicon, Si, and phosphorus, P
Beryllium, Be, and boron, B
Tags
NGSS.MS-PS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a coin is tossed in the air, it travels upward, gradually slows down, momentarily reaches zero speed, then moves back downward with increasing speed. Which statement best explains this change in the coin’s motion?
The force of gravity causes the coin to change its velocity.
The coin’s inertia decreases on the way up and increases on the way down.
The action-reaction force pair of gravity and the applied force cancel each other.
The coin remains in its state of upward motion until the force of friction acts upon it.
Tags
NGSS.MS-PS2-2
NGSS.MS-PS2-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Major surface currents of the ocean are shown in the diagram.
Ocean currents affect weather patterns by ---
regulating when tides occur in coastal areas
trapping heat at the equator to regulate the global climate
distributing heat from the uneven absorption of solar energy
increasing the rate of evaporation to transport water to areas experiencing droughts
Tags
NGSS.MS-ESS2-6
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