Electrical Forces
Presentation
•
Science
•
7th Grade
•
Practice Problem
•
Easy
+1
Standards-aligned
Christopher Mann
Used 31+ times
FREE Resource
8 Slides • 15 Questions
1
(Forces and Energy - Book Page 75)
2
Fields Exist Between Objects
Basically, we want to be able to demonstrate that fields exist between objects - even when they aren't touching.
Can you give me examples of this?
3
Factors Affect the Strength of Forces
Gravity - what factors do we know affect gravity?
Electricity - what factors do you think affect electricity?
Magnetism - what factors do you think affect magnetism?
4
Fill in the Blanks
Gravity is affected by
Type answer...
5
Fill in the Blanks
I'm thinking of a number
Type answer...
*Just for fun
6
Multiple Choice
_____ is a property of matter that causes electrical phenomena.
Electric charge
Electron
Electric field
Shoestring potatoes
7
(Page 76 - 77)
Section 1: Electric Charges and Forces
8
Draw
Draw an object with a neutral charge.
9
Draw
Draw an object with a positive charge.
10
Draw
Draw an object with a negative charge.
11
Draw
Draw your two objects (positive charge and negative charge) interacting with one another.
12
Multiple Choice
What would happen to two objects if they had like (same) charges? For example: positive and positive
Attract
Repel
Nothing
They would go to lunch at Pancheros
13
Open Ended
Do all objects experience elect
14
(Page 78)
Section 2: The Strengths of Electric Forces
15
16
Open Ended
What does the strength of electric forces depend on?
17
Draw
For each box, draw the strength of electric charge for objects with a negative charge. Label the boxes with one of the following: weak charges, strong charges, short distance, long distance.
18
(Pages 79 - 80)
19
Open Ended
How does an electric field help to predict the behavior of an object?
20
Draw
Draw an electric field diagram that includes a weak field with a positively charged test object inside the field lines.
21
Draw
Draw an electric field diagram that includes a strong field with a negatively charged test object inside the field lines.
22
Poll
How confident are you in answering this question:
What factors affect the strength of electrical force?
HELP! I am lost.
I could take a good guess.
Pretty sure I know the answer, but don't call on me.
I KNOW! PICK ME! PICK ME!
23
(Forces and Energy - Book Page 75)
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