Imagine there are two objects floating in space.
If the masses of these objects increase but their distance from each other remains the same, then the force of gravity between the two objects
(1 point)
Responses
remains the same.
remains the same.
decreases.
decreases.
increases.
increases.
Melissa and Cassidy built the electromagnet pictured above. They coil a copper wire around a bolt and connected the wire to both ends of a battery. When they tested it, it could pick up 3 paper clips. Their teacher challenged all groups to pick up a minimum of 10 paper clips. What could they do to increase the number of paper clips their electromagnet picks up?(1 point)
Responses
increase the number of loops of wire around the nail
increase the number of loops of wire around the nail
make the wire longer
make the wire longer
remove the nail from the center of the wire
remove the nail from the center of the wire
spread the loops of wire apart on the nail so they do not touch
increase the number of loops of wire around the nail
Ever pick up a dandelion and blow their seeds through the air? Normally, the wind will grab and deliver the seeds all over the place. This is an adaptation that(1 point)
Responses
prevents predators from eating the seeds.
prevents predators from eating the seeds.
makes sure that no seeds grow very far from the parent plant.
makes sure that no seeds grow very far from the parent plant.
allows the dandelion to grow larger.
allows the dandelion to grow larger.
allows the seeds of dandelions to travel long distances before taking root.
allows the seeds of dandelions to travel long distances before taking root.