This dripping ice cream cone in Source 2 has reached its
melting point
sublimation point
evaporation point
freezing point
The bat uses its special sense of
What causes organisms like bats to change through adaptations?
the need for protection from predators
competition for resources
wanting to be able to climb trees
not being able to migrate south
When will the plane in Source 2 experience balanced forces?
When it is taking off
when it is in flight
when it is landing
when it is at rest on the ground
What factor must rollercoaster and drop experiment designers pay attention to?
the mass of the rollercoaster riders and the objects being dropped
the time of day when riders will be riding the rollercoaster and the objects will be dropped
the age of the rollercoaster riders and the objects being dropped
whether the ride and the experiment will be conducted indoors or outdoors
the distance the rollercoaster riders and the objects will drop
Google Night Sky is a modern application for smart phones showing constellations. This application is a variation of ancient
Globes
star charts
navigation charts
calculators
Engineers made the prototype in Source 2 to test soldiers’ hand strength. What is their next step?
design the second model
sell the prototype in stores
make a prototype with a new design
test the prototype on different soldiers
The Sun in our solar system appears to be much larger than any other star we can see in our solar system. What could be the major cause of this phenomenon
It is much bigger
It uses a different type of life power
It is closer to Earth
It is older
Scientists conduct their experiments to
avoid failure
test their hypotheses
prove their hypotheses are correct
confirm their conclusions
What four planets are made mostly of gases?
Jupiter, Mars, Uranus, Neptune
Mars, Earth, Venus, Mercury
Neptune, Uranus, Saturn, Jupiter
Mercury, Venus, Earth, Neptune