Kids can practice identifying forces and interactions with this fun science assessment worksheet.

Let's solve each question step by step:

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Question 1: These magnets will

The image shows two magnets with their poles labeled:
- The left magnet has its South (S) pole facing the North (N) pole of the right magnet.
- The right magnet has its North (N) pole facing the South (S) pole of the left magnet.

Key Concept: Opposite poles attract, and like poles repel.
- Here, the S pole of one magnet is facing the N pole of the other magnet. Since opposite poles attract, these magnets will attract each other.

Correct Answer:
- attract

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Question 2: Which pendulum will swing faster?

The image shows two pendulums:
- One is labeled "Long pendulum."
- The other is labeled "Short pendulum."

Key Concept: The period (time for one complete swing) of a pendulum depends on its length. A shorter pendulum swings faster than a longer pendulum because it has less distance to travel.

Correct Answer:
- Short pendulum

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Question 3: Jane pulls on a sweatshirt. Her hair sticks up afterwards. This is an example of:

The image shows a girl pulling on a sweatshirt, and her hair sticking up afterward.

Key Concept: When you pull on a sweater or any fabric, friction between the fabric and your body can cause static electricity. Static electricity causes charged particles to build up, which can make hair stand up due to repulsion between similarly charged particles.

Correct Answer:
- static electricity

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Question 4: Check the picture that shows balanced force.

The image shows two scenarios:
1. Two children playing on a seesaw.
2. Two children pulling on a rope that does not move.

Key Concept: Balanced forces occur when the net force acting on an object is zero. In such cases, the object remains at rest or moves at a constant velocity.

- Seesaw: If the children are not moving, the forces on the seesaw are balanced. However, if they are actively playing and moving, the forces are unbalanced.
- Rope: If the rope does not move, it means the forces applied by the two children are equal in magnitude but opposite in direction, resulting in a net force of zero. This is an example of balanced forces.

Correct Answer:
- the rope does not move

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Final Answers:

1. attract
2. Short pendulum
3. static electricity
4. the rope does not move

Boxed Final Answer:
\[
\boxed{\text{attract, Short pendulum, static electricity, the rope does not move}}
\]