Objects in Motion

Karina and her classmates take water samples from the same nearby pond. Then they are to take measurements of the water temperature. How can the teacher ensure that each group's results are similar?

instructs students to complete the experiment at the same time of day

Mia wants to know how fast a ball rolls down a ramp. Which action would best help her find this out

measure the ball's speed

Cars, bicycles, and people can all be objects in motion. What is it about an object in motion that is constantly changing?

position

A car travels down a straight road at 35 mph. It slows to a stop at a stoplight. Which of the following changes about the motion of the car?

speed

Which statement is true about a object in motion?

the object is changing both its position and direction

Observation

Information obtained through the senses (NOT an opinion)

Hit a ball and you set it in motion. Pedal a bicycle and you set it in motion. Push a swing and you set it in motion. What must always be true of any object that is in motion?

It is changing its position

Danny kicks a soccer ball. What will most likely happen to the speed of the soccer ball?

It will slowly decrease

Connor and Dylan studied how far two toy pull-back cars travel. Each student pulled a car back and let it go. Then they measured how far each car traveled before it stopped. What part of the inquiry process did the students do?

conducted an investigation

Speed

distance/time