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WorksheetsChemistry Unit 1 Review
Total questions: 27
Worksheet time: 45mins
What are examples of qualitative data?
Pressure
Shape
Odor
Color
.000457
Which piece of evidence could be used to BEST support this claim:
High school students should be required to wear uniforms.
When adding everything up, a school uniform could end up costing more than $200.
A student reported, "Allowing us to wear our own clothes gives us a chance to show our unique style and independence."
At one school that recently required students to wear uniforms, attendence rates went up, and behavior incidents went down.
School uniforms can be ordered online .
Is the following sentence an example of a claim or evidence?
According to the American Health Association, peanut butter is a great source of protein.
Claim
Evidence
0.00401 x 2.00 x 501
32.451 - 21.5
25.0 x 17 = ?
Which is the correct measurement for location marked by the arrow?
50.2
51.8
52
51
Element
Compound
Mixture
Element
Compound
Mixture
Element
Compound
Mixture
___________ are the smallest unit of an element that maintains the properties of that element.
Atoms
Elements
Compounds
Mixtures
A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.
mixture
pure substance
compound
element
Coffee, mouthwash, and vinegar are examples of __________________ mixtures.
heterogeneous
homogeneous
pure
The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?
15.79%
18.75%
2.25%
18%
