BARU
Ukuran huruf
Lembar kerjaScience-STAAR WARS-D3P2
Total soal: 6
Worksheet time: 3mins
Which object in the chart is most likely a lamp?
object 1
object 2
object 3
object 4
Robbie uses a pulley and a spring scale to lift up an object with a mass of 10 grams. Robbie repeats this process except changes the mass of the object to 30 grams, and then 50 grams. Which question in this investigation most likely designed to answer?
How do different masses affect spring scales?
How does the mass of an object affect the amount of force needed to lift it?
How does a spring scale react with a pulley?
How does a spring scale work?
Julie is using a campfire to roast marshmallows. The campfire produces-
electrical and heat energy
sound and solar energy
heat and mechanical energy
light and heat energy
The picture is of a light switch. When the light switch is in the ON position, the lights in the classroom will come on. This happens because--
the switch opens the circuit allowing electricity to flow through
the switch closes the circuit allowing electricity to flow through
the switch creates a better conductor of electricity
the switch creates sound energy allowing electricity to flow through
An acoustic guitar has strings and a soundhole. How does the acoustic guitar work to create sound?
vibrations from the string creates sound
the position of the guitar creates sound
electrical energy creates sound
the soundhole alone produces sound
A group of students want to know if the surface of a ramp will have an effect on the distance traveled by a toy car. Which variable should the students change to get a fair test?
the height of the ramp
the surface of the ramp
the force they use to push the car down the ramp
the toy car
