general science

Igneous Rock that cools very quickly when it forms may have a texture that is

• smooth and shiny with no visible rain
• multicolored and banded
• course grained
• made up of jagged grains

What do atoms contain?

• elements, neutrons, and bonds
• protons, neutrons, and electrons
• protons, molecules, and elements
• electrons, protons, and bonds

Earth would not have seasons if—

• it did not rotate
• it was slightly closer to the sun
• it was no tilted on its axis
• it had more than one moon

Which of these is the best measure of how much space an object or substance takes up?

• mass
• length
• volume
• density

Tags

CCSS.3.MD.A.2

A food web is a more realistic model of the flow of energy through an ecosystem than a food chain because - 

• most organisms depend on more than one species for food
• each organism in a food chain represents multiple feedings
• most organisms depend on just one species for food
• each organism in a food web represents a single feeding

What has the greatest potential energy?

• a rock on the ground
• a rock twenty feet off the ground 
• a rock falling
• a rock being tossed

Liquids have - 

• no definite shape or volume
• a fixed or definite shape but no definite volume
• a fixed/definite shape and volume
• a definite/fixed volume but no definite shape

Carbohydrates are made up of which monomers (smallest units)?

• amino acids

• nucleotides

• simple sugars (glucose)

• fatty acids

What can you find by working through the statements of a dichotomous key?

• how long a fungus can live
• when a species first appeared on Earth
• the scientific name of an organism
• how many animals are birds

Which blood vessel carries deoxygenated blood?

• Artery

• Vein

• Capillary

• None of the above