8th Grade Science Final

Which of the following best describes the velocity of an object?

• 30 m/s

• 30 m/s east

• 30 m/s²

• 30 m

What is the difference between the velocity and speed of an object?

• Velocity is the change in distance over time, while speed is the change in velocity over time.

• Velocity has a direction associated with it, while speed has no specific direction.

• Velocity is the change in speed over time, while speed is the change in distance over time.

• Velocity has no direction associated with it, while speed has a specific direction.

The list include six situations

1. A book sliding across a table at a constant speed
2. A ball sitting on a shelf
3. A can rolling down a ramp
4. A swing moving back and forth
5. A car traveling at a constant speed of 15 m/s
6. A bird landing on a branch

Which objects in the list experience an unbalanced force?

• 1. the book, 2. the ball, and 5. the car
• 1. the ball, 5. the car, and 6. the bird
• 1. the can, 4. the swing, and 6. the bird
• 1. the book, 2. the ball, 3. the can. and 4 the swing

Tags

NGSS.MS-PS2-2

The diagram shows a graduated cylinder containing water. From which position will the most accurate measure of the volume of water be made?

• Position 1

• Position 2

• Position 3

• Position 4

Which graph represents zero acceleration (constant velocity)?

• A

• B

• C

• D

All the organisms in a particular location, including their nonliving environment

• ecosystem

• carnivore

• niche

• population

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Name the moon phase

• waning crescent

• waxing crescent

• waning gibbous

• waxing gibbous

Tags

NGSS.MS-ESS1-1

What Moon phase is this?

• Full Moon

• Waxing Gibbous

• New Moon

• Half Moon

Tags

NGSS.MS-ESS1-1

Based on the image, what lunar phase will be visible from Earth next?

• waxing gibbous

• first quarter

• full moon

• new moon

Tags

NGSS.MS-ESS1-1

What comes directly after this moon phase?

• First Quarter

• waning gibbious

• New Moon

• Full Moon

Tags

NGSS.MS-ESS1-1