Forces and Motion

Which two measurements are needed to determine speed?

• length and gravity

• size and mass

• distance and time

• height and mass

Which describes and object in motion?

• A dollar dropping to the ground

• A pen laying on a table

• A book resting on a counter

• A light sitting on a chair

Alexis is riding a roller coaster and wants to know how fast he is moving. Which would he need to calculate how fast he is moving?

• time and mass

• mass and volume

• distance and itme

• temperature and distance

Which describes an object in motion?

• change in position

• mass increase

• temperature decrease

• volume changes

If you have distance and time, what can you calculate?

• height

• mass

• volume

• speed

Josh and his mom went to Walmart which is 3.2 miles away from their house. For Josh to calculate the speed, what other information will she need?

• the volume of the car

• how many times they took the same street

• the mass of the car

• how long it took to get to the store

Danny is playing in the same with his friends. Sara is sitting on the floor. John is on the monkey bars. Mike is swinging. Madison is sitting on the slide. How can Danny tell which friends are in motion?

• The tallest friend

• The friend with the most mass

• The friend who changes position

• The strongest friend

Two objects moved the same distance. To see which moved faster, what else is needed?

• the mass of each object

• the object that had less time

• the wheels of an object

• the strength of the forces that moved the objects

Which is not an object in motion?

• Surfing on ocean waves

• Riding a bicycle

• A butterfly sitting on a perch

• Hitting a baseball

Which is an object in motion?

• A blanket falls off a bed

• A phone on a table

• A plant on top of a table

• A light on inside a room