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Unit 1: Science, Technology, & Engineering Test Review
Authored by Cody Rudduck
Science
7th Grade
7 covered
Used 9+ times
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16 questions
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1.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A(n) (a) is a factor that is not allowed to change.
(Look in Lesson 2 for help.)
Answer explanation
A CONSTANT maintains the same value throughout an investigation. (Lesson 2)
Tags
7.SIA.1, 7.SIA.6
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A (a) is a description of something that includes a number and a unit.
(Look in Lesson 3 for help.)
Answer explanation
Having a standard way of describing the dimensions of things in the form of measurements helps scientists compare measurements made in different places at different times. The International System of Units was developed to standardize scientific measurements
Tags
7.SIA.3
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
The sum of all values in a data set divided by the total number of values in the set is the (a) .
(Look in Lesson 4 for help.)
Answer explanation
The MEAN is sometimes called the average. It can be useful to compare two sets of data by comparing their means.
Tags
7.SIA.3
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
A scientific (a) is a well-supported and widely accepted explanation of nature.
(Look in Lesson 1 for help.)
Answer explanation
A THEORY is a system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation. (Lesson 1)
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
(a) is the application of science and math to solve real-life problems.
(Look in Lesson 5 for help.)
Answer explanation
Engineering is the process of creating technology.
Tags
NGSS.MS-PS3-3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is a scientific question?
A. Which plant is my favortite?
B. Why do plants grow taller in sunlight?
C. Which plant looks best in this room?
D. Which plant will sell well in the store?
Answer explanation
Answer B is correct because a scientific question is a testable question about natural events and conditions. (Lesson 1)
Tags
7.SIA.1
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Scientists use which on of the following units to measure mass?
A. pounds
B. meters
C. kilograms
D. ounces
Answer explanation
Answer C is correct because the kilogram is the SI unit used to measure mass. Mass can be measured with an electronic balance. (Lesson 3)
Tags
7.SIA.3
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