Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
Science
/
Grade 4
/
Electric Circuits: Components and Flow
Worksheet
Grade Level
Grade 4
4.29 Electric Circuits: Components and Flow
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
Which test gives the best evidence that electricity needs a complete loop?
A
Build one circuit with the switch open and one with the same parts but the switch closed, then compare whether the load works.
B
Compare a red wire with a blue wire while leaving both circuits open.
C
Put a battery next to a bulb without connecting wires.
D
Measure the size of four different batteries without building circuits.
Submit Answer