Gr 7 Science Quiz - Week 4

Gr 7 Science Quiz - Week 4

7th Grade

15 Qs

quiz-placeholder

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Gr 7 Science Quiz - Week 4

Gr 7 Science Quiz - Week 4

Assessment

Quiz

Science

7th Grade

Hard

Created by

Etienne Cloete

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

__________ was the first person to theorize the existence of the atom.

Socrates

Democritus

Alexander

Archimedes

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pure substance can be

an element or compound

only a mixture

mixtures or compounds

heterogenous

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Plum-Pudding Model of the atom was an idea by

Dalton

Democritus

Thomson

Bohr

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The Bohr Model of the Atom show us that electrons orbit the atom in different ________ ________

energy levels

types of matter

numbers

empty spaces

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The charge of an electron is negative [-]

True

False

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A neutron has a positive charge [+]

True

False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Helium has 4 protons.

True

False

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