Motion and Speed

Adriana peddled her bike in a straight path across Eagle Lakes Park. At the end of her ride, she raced Gregory to the finish. which stayed the same during her ride?

• her speed

• her direction

• the force she put on the pedals

• her position

Which measurements do you need to determine the speed of an object?

• time and position

• position and distance

• distance and force

• time and distance

Two brothers are walking to Parkside from the same house. If one brother has longer legs and walks faster they will

• arrive at different places

• travel on different roads

• arrive at different times

• wait for each other

Danisha was flying from Florida to the Dominican Republic. Which would most likely change during her trip, not including take off and landing?

• the position of the plane

• the direction of the plane

• the speed and direction of the plane

• the position and direction of the plane

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

Gemma likes to ride her bike to Basilio's house. She knows it normally takes 20 mins to get there. What other information does she need to know to calculate the speed?

• the type of bike she is riding

• the amount of traffic in the neighborhood

• the direction she is traveling

• the distance she is traveling

Our class ran races outside. Of the four students who had the best times, which student ran the fastest?

• 5 minutes and 22 seconds

• 5 minutes and 12 seconds

• 7 minutes and 8 seconds

• 8 minutes and 7 seconds

What tools do you need to calculate speed?

• stopwatch and ruler

• timer and graduated cylinder

• ruler and balance scale

• graduated cylinder and ruler

All of the students walked for 2 miles. Which student had the fastest speed.

• Alicia walked from 12 PM to 2 PM.

• Brian walked from 11 AM to 3 PM

• Vanessa walked from 9 AM to 10:30 AM

• Gabriel walked from 1 PM to 5 PM

Which statement is true?

• When in motion we are always changing direction and sometimes changing position.

• When in motion we are always changing direction and position.

• When in motion we are always changing position and sometimes changing direction.

• When in motion we are sometimes changing position and sometimes changing direction.