Unit 2

Quiz
•
Science
•
7th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jessica was taking a walk with her friends. She looked down and saw two unknown minerals. When she dragged them across the sidewalk, she noticed that they produced the same color mark, but one scratched the other. What conclusion could Jessica draw?
Their hardness and streaks are the same.
Their hardness is the same, but their streaks are different.
Their hardness is different, but their streaks are the same.
Their streaks are the same, but their luster is different.
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Shannon was researching the element silver for her project about atoms. She recorded her notes on index cards as shown: Which of the index cards above include information about silver’s physical properties? Select 2 correct answers
Index card A
Index card B
Index card C
None of the above
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student tests the properties of an element and finds that it is malleable, shiny, and conducts electricity. Based only on the student’s data, this element is most likely a –
magnet
metal
non metal
metalloid
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Based on the data in the table, which of these elements should be classified as metals?
Carbon and sulfur
Carbon and iodine
Cobalt and iodine
Cobalt and silver
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements is supported by evidence in the table?
Metals are not attracted to magnets.
Metals conduct electricity.
Nonmetals are attracted to magnets.
Nonmetals are malleable.
Tags
NGSS.MS-PS1-2
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Determine the density of a material that has a mass of 100 grams and a volume of 20 mL.
Answer explanation
Please make sure you include units!
Make sure you divide 100g by 20 ml
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Students were given four unknown substances and asked to observe their characteristics. Their observations are shown in the table below: Which of the unknown substances is most likely a metal?
1
2
3
4
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