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Explain who will win the tug-of-war game.  Use one of the "rules" you came up with from the activity as your "because".                        

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Explain who will win the tug-of-war game.  Use one of the "rules" you came up with from the activity as your "because".                        

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Try to include vocabulary terms such as: force, motion, mass, balanced, unbalanced

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Forces & motion play a big part in the game of tug-of-war. Look at the picture below.                             

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Forces & motion play a big part in the game of tug-of-war. Look at the picture below.                             

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1. Make 2 observations
2. Ask 2 questions

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Objective:  Simulate competitions between different size people to see the strength and direction of the forces being applied to each object, which will help you make predictions about motion.

Activity: Open the Net Force Simulation and complete the worksheet by trying  different combinations of people from the red and blue teams.

Net Force Simulation Link: https://phet.colorado.edu/sims/html/forces-and-motion-basics/latest/forces-and-motion-basics_en.html

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Sentence Starter:                        I think (the right/left side) will win the tug of war because (use rule from activity to explain). 

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Sentence Starter:                        I think (the right/left side) will win the tug of war because (use rule from activity to explain). 

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Sentence Starters                     1. I see …

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Sentence Starters                     1. I see …

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2. I wonder …

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1. I see kids pulling on a rope in opposite directions.
2. I see the kids leaning back.

1. I wonder what would would happen if the children on one side let go?
2. I wonder how much force is being applied to the rope?

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1. I see kids leaning back as they pull on the rope.
2. I see that there are more kids on one side than the other.
1. I wonder how the result of the round would be altered if the teams were even?
2. I wonder what will happen to the kids who are holding on when one side lets go of the rope?

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1. I see two groups of children pulling on one rope in opposite directions.
1. I see that the children are leaning back.

2. I wonder what would occur if one group of children let go of the rope?

2. I wonder who is most likely to win.

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1. I see a few kids pulling on a rope.
2. I see the kids look like they are falling over.

1. What would happen if one side of the kids let go?
2. I wonder what would happen if more kids were to pull on the rope.

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1. I see two sides of kids pulling on opposite sides the rope.
2. I see that there are more kids on the left side of the rope.

1. I wonder why there are more kids on the left side.
2. I wonder what would happen if one of the sides pulling on the rope all let go.

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Observations
1. I see that the kids are leaning back while tugging on the rope.
2. I see that that a small girl is tugging near the center of the rope.

Questions
1. Does leaning back help the children tug on the rope?
2. Which side will win? The one with more with more people or the one with less people?

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1. I see six children playing tug of war. I see two boys on one side and four girls on the other.
2. I wonder if the boys are stronger than them. If another girl was added, would that overpower the boys?

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I see a small girl in the center of a tug of war game between two boys and three girls.
I see the boys, to me, struggling a little bit more.
I wonder if where the children hold the rope affects the game.  For example, if the girl in the center wasn't there and was further back, would that matter?
Does weight matter more in tug of war, or strength?

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I see 4 girls on one side and two boys on the other.
I see that each side may struggling to pull the rope.
I wonder what would happen if it was 2 girls and 1 boy?
I wonder what would happen if it was 4 little boys and 2 older girls?

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I see two groups of kids tugging on a rope in opposite directions, playing tug of war.
I see four girls on one side and two boys on the other side.
What would happen if one person or several people were to let go of the rope?
Why is there an uneven amount of people on both teams?

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1. I see a group of kids playing tug of war. I see four girls on one side of the rope and two boys on the other side.
2. I wonder who will win, and if having a greater amount of people on one side means they will win.

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1. I see two groups on opposite sides of the rope, tugging on it.
1. I see two more kids on the left side than the right side.
2. I wonder if the left side will win based on the number of people.
2. I wonder if how much the kids weigh and if that matters.

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1. I see a group of kids playing tug of war.
1. I see that the kids are pulling on the rope to a specific side.
2. I wonder if the left group of kids will win because there is more people on that side?
2. I wonder if more people join the game, would the results would be different?

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1. I see that both sides are struggling to keep the rope on their side. There are more people on the left side
2. I wonder who will win the game. I also wonder if the amount of strength on each side is equal or not

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1. I see more girls pulling the rope than boys.
2. I wonder who will win the game.

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1. I see children playing tug of war.
1. I see that the rope is being pulled on from either side.
2. I wonder what the science behind tug of was is?
2. I wonder which team is going to win?

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1. I see that the children are using their body weight to pull more on the rope.
2. I see that there are more children on one side of the rope.
3. Would it be more fair if there were more children on the other side of the rope?
4. If one of the children let go, would the other children fall?

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1. I see 6 kids playing tug-of-war. I also see that there's 4 girls and 2 boys.
2. I wonder what each kids weighs? I also wonder how strong the rope is?

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1. Use their gravity to pull the rope their way.
2. Is one side much stronger then the other or is this tug of war close?

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I see two boys playing tug of war against four girls.

I see the boys are leaning back more.

I wonder why is the little girl closer to the middle of the rope?

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I see kids tugging on a rope (playing tug of war). Four kids on the left and two on the right.

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I see kids  pulling on a rope.
I see two boys on one side and three girls on the other.

I wonder why the little girl is closer?
I wonder if the side with more kids will win.

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I see boys pulling the rope away from the girls. They are both pulling very hard, so i wonder what will happen if one of the sides lets go.

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I believe the left side will win because they have more sizes and there's more people which makes it unbalanced.

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I think the left side is going to win the tug of war because there is more people on that side, therefore there is going to be a greater amount of mass and a stronger force. Although, the right side may seem as if they might win because of the part of the rope they are pulling, I leaned that the side of the rope that each person is pulling does not matter. The left side of people also have different sizes, which means they each have their own separate mass.

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I think the left side is going to win because their is an unbalanced force between the two sides. The left side has more people meaning their total mass is greater, giving them an edge.

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I think the left side will win because since there are more people than the right side, more force is being applied on the left side.

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I think the left side will win the tug of war because it has more force than the other side. There is an unbalanced force between the two sides. The left side has more mass altogether than the right side because there is more people. If there were two people on each side with the same mass each, it would be balanced and the rope will not move very much.

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I think the left side will win because there's more people, more people means more mass, and more mass means more force used.

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I think that the left side is going to win the tug of war because they have four people in their group, which means that they have the force of 4 people, some of which might have a smaller mass than the two on the other side, but I think all of their force combined will overpower the other side.

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I believe that the left side will win because the sum of force and mass added up from the kids on the left side seems like it would be greater than the sum of the mass and force on the right side, so that would make it an unbalanced force.

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I think the left side will win the tug of war because that side has more mass, and therefore more force. This is an unbalanced round because one team has more players than the other team, and this leads that side to have more mass.

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The left side will win the tug of war because it has more people as well as 2 bigger people.

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I think the left side will win the tug of war because they have more people and some people are bigger than the others from the right side. This game is very unbalanced because the left side has bigger people and more of them, while the right side has less people of the a smaller size. Because there are more people they will have more force than the other side.

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I think the left side will win the tug of war because they have more people and based on the size of them, they have more combined mass than the right side. On my worksheet, I state in my second rule that the larger person does not always win each competition. Despite the right side having more individual mass than those on the left, the combined force and mass of 4 people makes the game unbalanced.

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I think the left side is going to win because although there are more people on the left, the kids on the right look like they're pulling the rope with more force. Regardless of how many people there are, the bigger mass will result in a win (one of my rules)!

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I think that the left side will win because there are more people on that side, meaning there is more mass. My second rule on the worksheet said that the bigger person will not always win. Even though the kids on the right look slightly bigger than the kids on the left, because there are double the amount of people there, I think they will win.

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I think the left side will win the tug of war, due to the fact that they have more mass combined than the right side combined. The right side also seems to be struggling more, as they have to force more. Eventually, the left side could use all the force they have (I think they have more than what it looks like in the picture) as they don't look like they are struggling much.

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I think left side will win the tug of war because there are far more people on that side. More people means more force and more force means an easier win.

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I believe the left side will win because there is more people on the left side which means there is probably more mass and force. The people on the right each look about as equal in strength with each person on the right which means they don't have the advantage of more force per person. This leads me to believe that the left side will win.

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I believe the left side will win because there is a greater amount of people on that side, which means there is more mass and a stronger force.

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I think the left side will win because they have more people and more sizes. If they have more people, then they have more force because they have more mass

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I think that left side will win because they appear to have a greater mass than the right side (more people), and thus are exerting more force than the left side.

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I think that the left side will win because the masses of the 2 biggest kids are similar to the masses of the 2 biggest kids on the other side. However, the left side has 2 kids with less mass, making its force greater than that of the 2 kids on the right.

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I think the left side will win because they have more people. More people means more mass which means more power.

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I predict the left side will win because they have more mass. This is because of the greater amount of people on that side.

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I think the right side will win because they have harder pulling people.