Science 7 Review

How many significant figures are in 408 cm?

• 1

• 2

• 3

• 4

What is the boiling point of water?

• 100 degrees Celsius

• 100 degrees Fahrenheit

• 0 degrees Celcius

• 90 degrees Fahrenheit

Dyeing your hair platinum falls under...

• physical change

• chemical change

The cheetah, considered tje fastest land animal, can travel 625 m in 25.0 s. What is the average speed?

  $\nu=\frac{d}{t}$  

This consists of a straight bar and a point about which the bar can turn.

• wedge

• pulley

• lever

• wheel and axle

Molten rock below the surface of the earth that rises to the vent is called lava, but after it is ejected and flows on the surface of the earth, it is called magma

• true

• false

What rock is formed from sediments deposited from forces of weathering and erosion?

• igneous rock

• sedimentary rock

• metamorphic rock

The northeast monsoon that comes in October to February is also known as?

• Amihan

• Habagat

• Pirena

• Danaya

The continents were believed to be one big landmass millions of years ago and was called _____.

This is energy in motion.

• Kinetic Energy

• Potential Energy