Energy
What type of energy is produced by the movement of objects or substances?
kinetic energy
What happens to the energy in a light bulb when it's turned on?
electrical energy transfers into light and heat energy
What type of circuit has only one path for electric current to flow?
In the scientific method, what is a hypothesis?
educated guess or a testable prediction about the outcome of an experiment
What is the Earth's largest continent?
Asia
Energy stored in an object due to its position or height is called what?
potential energy
When a microwave oven heats food, what energy transformation is occurring?
heat energy
What is the term for a circuit that has more than one path for current to flow?
parallel circuit
What is the first step in the scientific method, where you identify a problem or question you want to investigate?
scientific question
What is the name of the force that keeps objects in orbit around the Sun?
Gravity
What type of energy is possessed by an object due to its vibration or oscillation and can travel through matter or space?
sound energy
What type of energy transformation occurs when a battery-powered toy car moves forward?
chemical energy in the battery being transformed into (kinetic) energy
What is the standard symbol for a light bulb in a circuit diagram?
two long parallel lines with a shorter line and a longer line on top
What are some 2 safety precautions you should follow when conducting experiments in a science lab?
goggles, no eating or drinking, lab coat
What are the three states of matter?
solid, liquid and gas
When you rub your hands together on a cold day and they feel warm, what type of energy transformation is occurring?
mechanical/kinetic to heat/thermal
In a rocket launch, what energy transformation takes place when the rocket engines ignite?
chemical energy in the rocket fuel being transformed into kinetic energy as the rocket accelerates
What is the symbol for an open switch in a circuit diagram
line with a gap or break in it
What is the purpose of the safety shower and eyewash station in the laboratory, and when should they be used?
in case of chemical spills on the body or in the eyes, and they should be used immediately in such emergencies
What is the term for the imbalance of charges on an object that can cause it to attract or repel other objects?
electrostatic charge
What type of energy is produced when an object is at rest, and it depends on its position or height above the ground?
gravitational potential energy
When you stretch a rubber band and release it, what type of energy transformation is occurring?
elastic potential energy being transformed into kinetic energy
What is the symbol for a voltmeter in a circuit diagram?
circle with a "V" inside it
What skill involves using your senses to gather information about the world around you?
making observations
Which planet is known as the "Red Planet"?
mars