Eog Review

Quiz
•
Science
•
8th Grade
•
Hard
+6
Standards-aligned
Charles Martinez
FREE Resource
60 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If a substance is composed of one type of atom that is arranged in one particular way, how is this substance best classified
element
compound
mixture
gas
Tags
NGSS.MS-PS1-1
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
In the current model of the Periodic Table of Elements, the elements have been placed in groups or families. Why have the elements been organized in such a way?
Elements in each group have similar densities.
Elements in each group all have similar boiling points.
Elements in each group have similar physical and chemical properties.
Elements in each group have the ability to chemically react with the other elements within that group.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A science teacher mixes calcium chloride and vinegar in a test tube. He passes the test tube around for his students to feel. The students notice that the test tube is hot. The science teacher asks the students to decide if the mixing of the two chemicals involved a physical or chemical change. He also asks the students to justify their answer. Which student gave the correct response?
Student 1: The change was physical because a temperature change occurred.
Student 2. The change was chemical because a temperature change occurred.
Student 3: The change was physical because the two chemicals mixed.
Student 4: The change was chemical because the two chemicals mixed.
Tags
NGSS.MS-PS1-2
NGSS.MS-PS1-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these elements is most likely to have chemical properties similar to those of calcium (Ca)?
Magnesium (Mg)
Neon (Ne)
Potassium (K)
Zirconium (Zr)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The simplest form of matter is an element, what is a compound?
Two elements mixed together in a container.
Two or more pure substances chemically combined.
A material found on the Periodic Table.
Two or more elements physically combined and mechanically separable.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following represents a compound?
H
Cu
NaCl
O3
Tags
NGSS.MS-PS1-1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
NGSS.MS-PS1-4
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