Physical Science (Physics) Midterm

An investigation is performed to determine how the angle of a ramp affects the speed of a ball as it rolls down the ramp. In addition to using the same ball and the same ramp, which of these should also remain constant?

• The height of the ramp
• releasing the ball from the same spot/height 
• keeping the ramp facing the same direction each trial 
• measuring the ramp each trial

Some students used a hot plate to heat 1 L of water from 20°C to the boiling point of water. The students recorded the temperature of the water each minute until it began to boil. Which of the following provides the mostappropriate way to represent the data?

• a bar graph with temperature on the y-axis and time on the x-axis
• a bar graph with time on the y-axis and temperature on the x-axis
• a line graph with temperature on the y-axis and time on the x-axis
• a line graph with time on the y-axis and temperature on the x-axis

Sound travels as a

• A pattern of up and down vibrations
• A series of compressions and rarefactions
• A series of compressions only
• A wave without a medium

Tags

NGSS.MS-PS4-2

Which statement best describes why the pencil looks bent in the picture?

• Light from the air is entering a different medium 
• Gravity affects the light more in a different medium 
• The farther light is from its source, the slower it moves.
• The pencil only looks bent at certain angles 

Tags

NGSS.MS-PS4-2

A metal ball has a constant velocity of zero. Which other quantity must also be zero?

• Weight of the ball
• Energy of the ball 
• Acceleration of the ball 
• Inertia of the ball

Objects with greater _________ also have greater inertia.

• speed
• mass
• temperature
• friction

If you were on the moon, there would be a change in your

• Weight and mass
• weight
• Mass
• volume

What is the net force?

• 30 N left
• 25 N right
• 5 N left
• 55 N right

What is Newton's First law about?

• The law of pie and cream
• Inertia
• Cheeseitz
• Speed & Velocity

Two inclined planes put together creates which simple machine?

• Lever
• Pulley
• Wedge
• Screw