2024 First Semester Science Test

Which of the following is an example of a balanced force?

• A book sitting on a table
• A car accelerating in a turn
• A ball rolling down a hill
• A horse jumping over a fence

Which of the following is an example of an unbalanced force?

• A book falling off a table
• A car stopped on the roadside
• A ball sitting at the top of a hill
• A horse standing by a fence

Tags

NGSS.MS-PS2-2

______________ is a combination of all forces acting on an object.

• Acceleration
• Velocity
• Net Force
• Reaction Force

Tags

NGSS.MS-PS2-2

Calculate the Net Force in the example below. Be sure to include the units and direction.

Tags

NGSS.MS-PS2-2

Calculate the Net Force in the example below. Be sure to include the units and direction.

If the egg drop device hits the ground with 10N of force, how many Newtons of force does the ground apply back at peak force of the collision? (Hint: Newton's 3rd Law)

• 20N
• 10N
• 5N
• Unable to determine based on information given

Tags

NGSS.MS-PS2-1

What is formula for the speed of a wave?

• Speed (Velocity) = Wavelength X Frequency
• Wavelength = Speed (Velocity) / Frequency
• Speed (Velocity) = Wavelength /Frequency
• Speed (Velocity) = Meters in a Minute

Tags

NGSS.MS-PS4-1

The sun sets over a lake. Some of the light waves bounce off the surface of the water. This makes the sunset appear mirrored on the lake's surface. Which interaction occurs when the light waves bounce off the surface of the water?

• Diffraction
• Reflection
• Doppler effect
• Defraction

Tags

NGSS.MS-PS4-2

A wave in an ocean has a wavelength of 6 centimeters and a frequency of 2 Hz. What is the speed of the wave?

Tags

NGSS.MS-PS4-1

A wave in an ocean has a speed of 21 m/s and a frequency of 7 Hz. What is the wavelength?