Big Idea 12

Cars, bicycles, and people can all be objects in motion. What is it about an object in motion that is constantly changing? (SC.4.P.12.1)

• speed

• velocity

• position

• acceleration

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? (SC.4.P.12.1)

• It is moving forward.

• It is changing its position

• It is changing its direction.

• It is moving at a constant speed.

Tags

NGSS.3-PS2-2

Danny kicks a soccer ball as shown below. (SC.4.P.12.2)

What will most likely happen to the speed of the soccer ball?

• It will stay the same.

• It will slowly decrease.

• It will increase, then decrease.

• It will decrease, then increase.

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

NGSS.4-PS3-1

Mia wants to know how fast a ball rolls down a ramp. Which action would best help her find this out? (SC.4.N.1.6)

• construction a prediction

• measure the ball's speed

• explain why the ball rolls so fast

• observe the ball rolling on the floor

Tags

NGSS.3-PS2-2

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? (SC.4.P.12.2)

• speed

• direction

• speed and direction

• direction and position

Shawna is studying two types of fish for a class project. She draws pictures of the fish. (SC.4.N.1.6)

Which is an observation Shawna might make of the fish?

• The boxfish has a funny shape

• Most people have seen pictures of the clown fish.

• People will laugh when they see the boxfish picture.

• The clown fish has stripes around its head, body, and tail.

Tags

NGSS.4-LS1-1

Caitlin was studying speed. She measured the distance a toy car traveled. She recorded her data in the following table. (SC.4.P.12.2)

• trial 1

• trial 2

• trial 3

• trial 4

Tags

NGSS.3-PS2-2

NGSS.4-PS3-1

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? (SC.4.N.1.1)

• made a prediction

• drew a conclusion

• conducted an investigation

• communicated their results

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

When you travel in a car, both you and the car are in motion. When you go to an amusement park, you can be in motion, too. The picture below shows an amusement park ride in motion. (SC.4.P.12.1)

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

• he object is changing only its position.

• The object is changing only its direction.

• The object is changing both its position and direction.

• The object is changing neither its position nor direction.

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? (SC.4.N.1.5)

• tell students to measure using the same specific tool

• allow students to choose from a selection of different measuring tools

• instruct students to complete the experiment at the same time of day

• give students containers made of the same material to collect the water samples

Tags

NGSS.3-5-ETS1-3