Objects in Motion

What is it about an object that is constantly changing?

• Speed

• Velocity

• Position

• Acceleration

What always must be true of any object that is in motion?

• It is moving forward.

• It is changing its position.

• It is changing its direction.

• It is moving at a constant speed.

If you kick a football, what will most likely happen to the speed of the football?

• It will stay the same.

• It will slowly decrease.

• It will increase, then decrease.

• It will decrease, then increase.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

If you want to know how fast a ball rolls down a ramp, which action would be best to find this out?

• Construct a prediction.

• Measure the ball's speed.

• Explain why the ball rolls so fast.

• Observe the ball rolling on the floor.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

A truck is traveling down a straight road at 30 mph. It slows down to stop at a stop sign. Which of the following changes about the motion of the car occurred?

• Speed

• Direction

• Speed and direction

• Direction and position

Which of the following is an observation about fish?

• I really like fish.

• Most people have fish as pets.

• This fish has blue stripes around its head and tail.

• Fish have a funny shape.

Tags

NGSS.MS-LS4-2

In which trial did the car have the fastest speed?

• Trial 1

• Trial 2

• Trial 3

• Trial 4

Tags

NGSS.MS-PS3-1

Pablo and Emanuel 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 boys do?

• Made a prediction

• Drew a conclusion

• Conducted an investigation

• Communicated their results

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

Which statement is true about the object in motion in this picture?

• The object is changing its position, only.

• The object is changing its direction, only.

• The object is changing both its position and direction.

• The object is changing neither its position nor direction.

Vanessa and Kelsey take water samples from the same nearby pond. Then they take measurements of the water temperature. How can the teacher ensure the girl's results are similar?

• The students should measure using the same specific tools.

• The students should be allowed to select different measuring tools.

• The students should complete the experiment at the same time of day.

• The students should use containers made of the same material when collecting the water samples.

Tags

NGSS.MS-PS1-2