Answer in a full sentence.
Which force is important for bungee jumping?
Gravity
The robots use __________ to travel to so many far-away planets.
the Box-Zip
the amount of matter that is in an object
To start moving, everything needs _______.
a force
Johnny passes Jenny after they go down the ramp because ____________.
his larger mass takes more friction to slow down
What happened when Max got struck by lightning?
He became interested in science.
Dr. Tank and Shine try unsuccessfully to visit __________.
Earth
What would happen if you kicked a stone in space? Why?
It would keep going forever because there is no friction to stop it from moving.
An object in motion will stay in motion is __________.
Newton's first law of motion
Why do the robots have trouble landing their ship? Which force do they use to fix it?
They get stuck in a tree, they use gravity to come down.