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US Grade 8 Science Test 7

K-12 » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content
K-12 Grade 8 Science Middle School (Grade 8, USA Common Core) USA USA Common Core & NGSS
What is this test? for Grade 8 Science practice (Middle School 6-8, USA Common Core) — Middle School (Grade 8, USA Common Core) level, USA.
Is this for you? For Middle School students (Grade 8, 6-8) — if you are in Middle School, this is for you.
Section: K-12 Grade 8 Science · Education: Middle School · Part: K-12 Grade 8 Science · Country: USA

A regular habit of taking practice tests makes learned information stick and is one of the most important factors directly affecting exam success.

This test will help you gauge your knowledge in your field and manage your exam prep more efficiently.

By solving this test of 20 questions, you can both test your knowledge and identify the topics you need to improve.

Question 1
What does the nervous system do?
A) holds air
B) sends signals
C) pumps water
D) makes sound
Question 2
What does the muscular system do?
A) makes sound
B) holds air
C) pumps water
D) moves bones
Question 3
What is a producer in nature?
A) a rock
B) Mercury
C) makes food: plants
D) a cloud
Question 4
What is a consumer in nature?
A) Mercury
B) a cloud
C) a rock
D) eats others: animals
Question 5
What is a decomposer in nature?
A) breaks down dead matter
B) a cloud
C) Mercury
D) a rock
Question 6
What is a food chain in nature?
A) Mercury
B) who eats whom
C) a rock
D) a cloud
Question 7
What is a habitat loss in nature?
A) a rock
B) harms wildlife
C) a cloud
D) Mercury
Question 8
What is a pollution in nature?
A) a cloud
B) Mercury
C) a rock
D) harms ecosystems
Question 9
The symbol for oxygen is ...?
A) Oz
B) H2O
C) O
D) Xy
Question 10
The symbol for hydrogen is ...?
A) H
B) Xy
C) Oz
D) H2O
Question 11
The symbol for carbon is ...?
A) H2O
B) C
C) Oz
D) Xy
Question 12
The symbol for nitrogen is ...?
A) Xy
B) N
C) H2O
D) Oz
Question 13
The symbol for iron is ...?
A) H2O
B) Oz
C) Xy
D) Fe
Question 14
The symbol for gold is ...?
A) Xy
B) H2O
C) Au
D) Oz
Question 15
The symbol for silver is ...?
A) H2O
B) Oz
C) Xy
D) Ag
Question 16
The symbol for sodium is ...?
A) Na
B) H2O
C) Oz
D) Xy
Question 17
The symbol for chlorine is ...?
A) Cl
B) Oz
C) Xy
D) H2O
Question 18
The symbol for calcium is ...?
A) Oz
B) Ca
C) Xy
D) H2O
Question 19
The symbol for potassium is ...?
A) Oz
B) Xy
C) H2O
D) K
Question 20
The symbol for helium is ...?
A) Oz
B) He
C) H2O
D) Xy

About This Test

For Elementary (K-5), Middle (6-8) and High School (9-12) in the USA — Common Core & NGSS-aligned Math, ELA, Science and Social Studies by grade level. Which grade is this for? K-12 USA curriculum.

K-12 USA — 13 grades × 7-15 subjects = 1,016+ tests. Covers Kindergarten to Grade 12: Math (Common Core), English Language Arts, Science (NGSS), Social Studies, Phonics/Spelling/Vocabulary, Art, Music, PE & Health, Pre-Algebra, Algebra 1 & 2, Geometry, Biology, Chemistry, Physics, Government and Pre-Calculus. Each heading has 8 tests × 20 questions = 160Q with no duplicates within a test. Tests are grade-appropriate (· Elementary K-5 foundation, Middle 6-8 transition, High 9-12 college-ready). Use Is this for you? badges to find your grade.

Respect first: Forum topics & replies for K-12 are auto-moderated — profanity/hate/insults → (content hidden) via automated systems and manual review. Stay supportive for students, parents & teachers.

Study Tips:

  • Pick your exact grade & subject first
  • Do 20Q daily — track weak topics
  • Use timer for real exam feel
  • Review wrong answers the same day