ks3 chemical changes

"As a doctor, I am qualified to tell you that this course of treatment will likely generate the best results."

The _______________ energy of an object increases with its height. (ch.5)

• chemical
• kinetic
• thermal
• potential

What is #1? (ch.10)

• Equilibrium
• Wavelength
• Crest
• Trough

Why do cells need to replicate their DNA?

• During cell division both new cells need a full set of DNA

• they don't, most of our cells do not have DNA

• it keeps DNA for getting damaged in a cell

UAA codes for which amino acid?

What is a gene

• a segment of DNA that codes for a particular protein

• a section of RNA that codes for an amino acid

• a chromosome that codes for multiple genes

• A mutation that appears in the DNA

The astronomer who first viewed the moons of Jupiter was _______________. (ch.8)

• Copernicus
• Kepler
• Galileo
• Aristotle

2. Railroad Crossing Ahead Warning signs are:

• Red and Triangular
• Black- on- white in the shape of an X
• Orange and diamond-shaped
• Yellow and round

The SI unit for temperature is the _____; The metric unit for temperature is _____; and yet the US uses _____. (ch.9)

• Celsius, Fahrenheit, Kelvin
• Fahrenheit, Celsius, Kelvin
• Kelvin, Celsius, Fahrenheit
• Kelvin, Fahrenheit, Celsius