grade 7

grade 7

7th Grade

15 Qs

quiz-placeholder

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Assessment

Quiz

Science

7th Grade

Medium

Created by

Menna Esam

Used 25+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

poisonous gases that affect on both eyes and the nervous system is nitro oxides

true

false

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

the bond in a molecule of magnesium oxide is an ionic bond

because magnesium loses 2 electrons and oxygen gains 2 electrons

because magnesium loses 1 electron and oxygen gains 1 electron

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

electromagnet is used in making ...

electric bells

electric winches

all of the above

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

the ability of the earth to attract an object to its center is friction force

true

false

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

the only non metal exists in a liquid state

mercury

bromine

sulfur

carbon

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

the valency of calcium is

2

3

4

1

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

the ...... bond in oxygen

ionic

single covalent

double covalent

triple covalent

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