*Question*
Q: What produces sound waves that travel outward in all directions in water? Choices: - echo chamber - ultrasound machines - amplifiers - echo sounders A:
**Answer**
echo sounders

*Question*
Q: Which two states of matter have definite volumes? Choices: - bacteria and liquids - GAS AND LIQUIDS - contrasts and liquids - solids and liquids A:
**Answer**
solids and liquids

*Question*
Q: When heat flows into an object, its thermal energy increases and so does its what? Choices: - matter - speed - color - temperature A:
**Answer**
temperature

*Question*
Q: Monocots and eudicots differ in what type of a leaf's tissue? Choices: - structural - circulatory - reproductive - vascular A:
**Answer**
vascular