Space Stuff
What does the moon's orbit cause on earth?
Whit are the tides
What are the units for energy?
What is Joules
The unit for force is the same as that of the unit for weight. What is this unit?
What is Newtons
A combustion reaction burns energy in what form?
What id fuel
Space is considered a vacuum because it lacks...
What is Air Resistance
What keeps all the planets in our solar system?
What is Gravity
What kind of energy is stored by plants?
What is Chemical (potential) energy
This is a push or a pull that causes an object to move, stop, or change direction
What is Force
Before we test out a theory, we can make ____________ about what will happen
What is predictions
What does the law of conservation of energy state?
Energy cannot be created or destroyed
The higher above earth's surface an object is, the greater the ___________ energy.
Whats is potential
When a ball is thrown up into the sky, it is fastest when it first leaves your hand. What is the kinetic energy transformed into as the ball reaches the top of its arc?
What is gravitational potential energy
Mass times the force of gravity
What is Weight
A physical representation of something that helps scientists understand that something
What is a model
The type of energy that a spring stores up.
What is Elastic Potential Energy
Which planet has the longest orbit around the sun?
What is neptune
What change is occurring when a boulder rolls down a hill?
What is gravitational potential to kinetic.
The force keeping us in place is called...
What is Contact Force
Fill in the blanks: When scientists test a hypothesis, the facts and evidence can either ________ or ___________ the hypothesis.
support; contradict
This type of energy increases the temperature of an object as the atoms move faster.
What is thermal energy
A nebula is...
What is a cloud of dust and gas
What does electrical energy transform into when used with a hair dryer?
What is kinetic energy and thermal energy
What increases the force of gravity?
What is an increase in mass
The process we use to test a hypothesis
Experimentation and observation
Name the planets in the solar system from closest to furthest from the sun:
Mercury, Venus, Earth, Mars Jupiter, Saturn, Uranus, Neptune