These transfer from one object to another when the two are rubbed together.
What are electrons?
200
Sun tanning can be harmful because UV rays can cause damage to skin cells. The UV rays are an example of this.
What is a mutagen?
300
A current through a load in a circuit is 1.5 A. If the potential difference across the load is 12 V, this is the resistance of the load.
What is 8.0 ohms?
300
The liver cell of an organism contains 28 chromosomes. This many chromosomes would be found in an egg cell.
What is 14?
400
According to Ohm's Law, if another resistor is added to a circuit in series this happens.
What is decrease in current?
400
These are the stages of mitosis.
What is prophase, metaphase, anaphase, and telophase (PMAT)?
500
According to an Energuide label, a new dishwasher uses 340 kW∙h per year. If the cost of electricity is 8.5 cents/kW∙h, it would cost this to run the dishwasher for the year.
What is $28.90?
500
This is the type of sexual reproduction for complete metamorphosis and this is the number of stages.