Science: Force/Motion

What is force? A Force is a push or pull

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

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

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

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

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?

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

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

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

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

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

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

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

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

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.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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