Q: What is the force pulling an object downward called? Choices: - momentum - density - magnetism - weight A:
weight

Q: What is a funnel-shaped cloud of whirling high winds known as? Choices: - volcano - tsunami - hurricane - tornado A:
tornado

Q: Q: What are the insects that suck up the sap from plants? Choices: - plagues and leafhoppers - butterflies and leafhoppers - roaches and leafhoppers - aphids and leafhoppers A:
A: aphids and leafhoppers

Question: Q: What do you call the splitting of the nucleus of an atom into two smaller nuclei? Choices: - critical fission - nuclear fusion - cell division - nuclear fission A:
Answer: nuclear fission

*Question*
Q: What senses the movement of liquid in ear canals? Choices: - Ear Drum - Brain Cells - muscle cells - hair cells A:
**Answer**
hair cells

*Question*
Q: What is the most useful quantity for counting particles? Choices: - the coefficient - the periodic table - the vector - the mole A:
**Answer**
the mole