Earth gets most of its light from: the stars, the Sun, the Moon, or other planets?
The Sun
Which cell structure is found in plant cells, but not in animal cells: cell wall, nucleus, cell membrane, or cytoplasm?
Cell Wall
An unknown liquid has a mass of 100 g and a volume of 25 mL. What is the density of the unknown liquid?
4 g/mL
Which adaptation protects dark-colored butterflies on a dark-colored tree: breeding, migration, camouflage, or hibernation?
Camouflage
What scientific tool is used to measure the mass of an object: balance, flask, graduated cylinder, or thermometer?
Balance
As a candle burns, the chemical energy stored in the wax is transformed into: heat and light, heat and magnetism, electricity and light, or electricity and magnetism?
Heat and Light
The change in the direction of a ray of light as it passes from air into water is called: absorption, refraction, reflection, or transmission?
Refraction
Warm air rising in the atmosphere is an example of heat being transferred by: absorption, convection, conduction, or radiation?
Convection
Which process results in the formation of water on the outside of a cold glass of lemonade on a warm day: boiling, condensation, freezing, or evaporation?
Condensation
Which physical property of a rock is measured using a graduated cylinder: volume, mass, solubility, or hardness?
Volume
A rock has a volume of 30 cubic centimeters (cm³) and a mass of 90 grams (g). What is the density of the rock?
3 g/cm³
What scientific tool is used to measure the volume of a irregular-shaped object: balance, graduated cylinder, meter stick, or scale?
Graduated cylinder
What will form first when metamorphic rock melts and cools: igneous rock, magma, metamorphic rock, or sedimentary rock?
Magma
An organism that contains chloroplasts is able to produce food by the process of: cellular respiration, condensation, photosynthesis, or reproduction?
Photosynthesis
Infants will often smile when they hear a parent’s voice. In this situation, the infant’s reaction is considered: a stimulus, an adaptation, a response, or a resource?
A response
A tiger is classified as a carnivore because it eats: both animals and plants, neither animals nor plants , only plants, or only animals?
Only animals
Which process transfers heat from the Sun to the Earth: condensation, conduction, convection, or radiation?
Radiation
A student states that a graduated cylinder contains 150 mL of water. This statement is: a prediction, a theory, an observation, or a hypothesis?
An observation
Which energy resource is considered non-renewable: solar energy, fossil fuels, geothermal energy, or hydroelectric power?
Fossil fuels
A green plant absorbs light. A frog eats flies. These are both examples of how organisms: obtain energy, produce offspring, escape predators, or excrete waste?
Obtain energy
A student placed a rock in a graduated cylinder containing water, causing the water level in the cylinder to increase by 100 mL. This increase represents the rock’s: mass, solubility, volume, or temperature?
Volume
People often wear sunglasses in polar regions because most of the sunlight that strikes a snow-covered surface is: reflected, refracted, absorbed, or transmitted?
Reflected
Herbivores obtain most of their energy by: consuming animals, producing sugar, consuming plants, or absorbing sunlight?
Consuming plants
Bacteria and fungi that break down the plant and animal materials are classified as: consumers, predators, decomposers, or producers?
Decomposers
Which of the following types of electromagnetic radiation has the lowest frequency: radio waves, microwaves, x-rays, or visible light?
Radio waves