1. Science: Force/Motion

2. What is force?
A Force is a push or pull

3. What would slow a skater going down a hill?
Friction between the ground and the wheels.

4. Why would water on a slide make you slide faster?
Less friction!

5. What tool could you use to measure distance?
Measuring tape.

6. What happens as a ball moves up a ramp?
It will slow down.

7. The postman delivered two packages to Michael’s front door.
Which package requires more force to move?
What would happen if Michael used the same amount of force to push both packages?
What could Michael do to reduce the force needed to move the packages?

8. Kaylee rolled a ball across the floor
Kaylee rolled a ball across the floor. Sara kicked the ball as it was rolling. If she kicked in the direction of the arrow, which way will the ball move after Sara kicks the ball?
Sara
Kaylee

9. The ball will move in the direction of the kick.
Sara

10. What causes an object to be moved?
A force (push or pull).
Gravity
Matter
Light

11. What types of energy can you observe in a turned on lamp?
Light, Sound, and temperature
Heat, light, and mechanical
Heat, light, and electrical
Light, temperature, and electrical

12. What would you need to make a pinwheel move?
Magnet
Work
Battery
energy

13. Why does a rubber band make noise when you pluck it?
It heats the air
It releases molecules into the air
It absorbs energy from the air
It vibrates the air

14. If you roll a ball across the floor, what statement would be true?
The ball will always change both position and direction
The ball will change direction before changing position
The ball will change direction but not position
The ball will always change position and may change direction

15. What best describes the purpose of the water in a water wheel system that generates electricity?
The water causes motion
The water decreases temperature
The water conducts electricity
The water makes sound

16. If there were two strings on a guitar and you noticed that the first string vibrated more quickly than the second string, which statement would be true?
The sound from both strings will be the same
The first string will make a sound with a higher pitch
The second string will make a sound with a higher pitch
The sound from the first string will not be heard.

17. If Mary used a stopwatch and a meter stick to time how long it takes her to run 10 meters, what would she be trying to determine?
Her speed
Her energy
Her position
Her distance

18. If Johnny had a basketball and wanted to demonstrate how energy can cause changes, which of the following actions would NOT demonstrate a change caused by applying energy to the ball?
He lifts the ball to place it on a shelf
He spins the ball with one hand
He rolls the ball across the floor
He holds the ball in both hands

19. Four friends were racing and all them reached their destination at the same time, but went different distances. Look at the data table and determine who ran the fastest?
Sam
Johnny
Robert
Jose
Name
Distance in Meters
Time in seconds
Sam 2
3.0
Johnny 5
Robert 3
Jose 6

20. Four friends rode their bikes an equal distance from school to the store, but each of them arrived at the store at different times. Who rode to the store the fastest?
Susan
Betty
Francesca
Debbie
Name
Distance in meters
Time in seconds
Susan
25.1
10.9
Betty
16.8
Francesca
10.4
Debbie
17.9

21. If you put ice into a glass of sweet tea, which statement would be true?
The water from the melted ice and the tea will become the same temperature
The water from the melted ice will stay colder than the tea
All the lemonade in the glass will become as cold as the ice
The water from the melted ice will become as warm as the tea

22. If you hold a snowball in your hand, which statement would be true?
Heat from your hand would move into the cold snowball
Cold from the snowball will move into your hand
The cold from the snowball is being released into the warmer air
Heat from the air is being absorbed

23. You add an ice cube to a cup of hot chocolate to cool it down, which statement best explains what happens?
Heat from the hot chocolate moves into the ice
the warmth of the hot chocolate does not let the cold escape from the ice
Cold from the ice moves into the hot chocolate
Heat from the hot chocolate sinks to the bottom of the cup

24. If you place a metal spoon and a wooden spoon into a pot of boiling water, which statement would be true?
The metal spoon would stay cooler than the wooden spoon
The spoons would make the water colder
Both of the spoons would get hotter than the soup
The wooden spoon would stay cooler than the metal spoon

25. If a vibration gets slower what happens to the pitch?
The pitch gets lower
The pitch stays the same
The pitch gets louder
The pitch gets higher

26. If the vibration gets faster, what happens to the pitch?
The pitch gets lower
The pitch stays the same
The pitch gets louder
The pitch gets higher

27. While roasting marshmallows over a campfire, you notice that the marshmallow begins to change color… What is causing the marshmallow to change color?
Position of the wood from the fire
Color of the wood in the fire
Energy from the fire
Motion of the fire

28. When does a drum make sound?
When you make the pitch higher
When you shake the drum
When you make the top vibrate
When you make the drum bigger

29. Which material would be the best conductor of heat energy?
Wood
Plastic wrap
Wool blanket
foil

30. Which of the following is a source of mechanical energy?
A battery
A fire
A windmill
A flowing plant

31. There are two rooms with different temperatures and a closed door between them. If you open the door between the two rooms what will happen?
The cooler room will warm up to the same temperature as the warmer room
The warmer room will cool down to the same temperature of the cooler room
The temperature of both rooms will drop below freezing
The temperature of both rooms will become equal over time