Semester 1 Final 6th grade

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           Approaching                                               Proficient                                               Advanced

What are the two variables in an experiment? 2

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In an experiment proving the area of the oil stain size changes as a result of the type of food tested, what are the two variables? Which responds to the other? 4

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Draw, label, and Describe the best way to run an oil stain experiment. Include variables explaining results and why. Drawing here. Write on back! 5

Give the meanings to both. 2

Mass ____________________________

Volume ___________________________

Give meanings and commonly used units for  Mass, Volume, & Density 4

Mass ____________________________

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Volume ___________________________

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Density ___________________________

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Explain why density decreases when Volume increases, and Mass remains the same. Include drawing 5

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Draw and label a graph for distance vs time of a moving object that changes speeds. 2

You are going to test different angles on a prop blade with the goal of giving the highest speed on a motor boat. To change the prop angle, you bend the blade for each test. Circle the best graph for your results. Explain why 4

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There are many other types of graphs, but the most useful for the majority of real experimentation are scatter plots. What do these look like, and why are they so useful? Draw example and explain 5

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When calculating speed, what two measurements are needed? 2

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How do you calculate speed? 3

 

Calculate the average speed of a horse that gallops 20 km for 1 hour, then slows to 10 km for the next hour. Finally walks for 5 km the final 3 hours. Show math 5

Give either the units, or the formula for acceleration.  3

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A bee is buzzing around your head. It is flying about 1 m/s for a while, then it speeds up to 5 m/s, and speeds up in 2 seconds. What is its acceleration? Show formula and math for full credit! 4

 

Calculate the acceleration of a swimmer who is first swimming quickly at 1 m/s, then slows to .3 m/s, and she slows down in 3 seconds. Show the formula and math for full credit! 5

What is the acceleration due to gravity on Earth for any object? 2

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What is the formula for Force, or its units? 2

Show with a labeled drawing what happens when a bullet is dropped compared to shot horizontally. Explain 3

Draw and label a realistic graph for Acceleration vs. Force for pulling a car with a Force Scale and increasing the force incrementally. 4

Why doesn’t the mass of a falling object matter, in its acceleration due to gravity? 4

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Explain why the Graph in the Acceleration Lab should be linear. Use the formula in the explanation for full credit! 5

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What is the formula for Work? 2

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How fast is something moving if it has been falling for 1 second? Show the math for full credit 2

Prove that work remains the same, when a machine is used to redirect a force or change distance. Explain with a diagram or formula 4

Igor Amigoskivichski jumps off a tall building. It takes him 3 seconds before he pulls his parachute. How fast is he falling (excluding air resistance) before he pulls the chute? Show the math and units for full credit! 4

Show a change of force and distance through calculating the IMA with an equation when a machine is used. Show the math for full credit! 5

How long did someone fall if their final speed was 44.1 m/s excluding air resistance. Show the math and units for full credit! 5

Give two of the three laws of motion. 2

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List at least 2 of the 6 simple machines. 2

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A pool player strikes a cue ball with the force of 1N. The cue ball accelerates at 3 m/s2. What is its mass? Show formula and math & units for full credit! 4

You are using a screw with thread length of 15 mm, and height of 5 mm, a lever with input distance of 2 cm, and output length of 1 cm. Also, a wheel with diameter of 16 mm attached to an axle with diameter of 8 mm. What is the overall IMA of this compound machine? Show the math for full credit! 4

A spaceman pushes away from his capsule in space. He has a mass of 75 kg and pushes away from his ship at 4 m/s. This capsule pushes away at .08 m/s. How massive is his capsule?  Show math and formula & units for full credit! 5

Give a compound machine with it’s proportions and IMAs that correctly add up to an overall IMA of 36.

Show the math for full credit! 5

Draw & label two of the three classes of levers. 2

What is the Kinetic Energy formula? 2

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Draw and label the electromagnetic triad. 3

A soda can pop top is what class of lever? 4

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If an egg falls at 4 m/s at its fastest point, and its mass is .5 kg, what is its average kinetic energy when it smashes into the ground? Show the formula, math, and units for full credit! 4

Explain, draw, and label why EM waves can travel through a vacuum, when all other forms of waves require a medium. 4

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Explain why there are no units in Mechanical Advantages. 5

A cannon ball is dropped straight down from a blimp. Its mass is 2kg. It takes 3 seconds to reach the ground. How much average kinetic energy does it have when it hits the ground (excluding air resistance).

Show the formula, math, and units for full credit! 5

Draw and label a graph that accurately represents nuclear energy vs elements. 5