Matter
Molecules are made of
a. Cells
b. Waves
c. Different proportions and quantities of atoms
d. Different proportions and quantities of compounds
C. Different proportions and quantities of atoms
Kinetic energy is the energy an object has due to its ____.
a. Position
b. Mass
c. Motion
d. gravity
C. Motion
The glucose created by photosynthesis is the starting material for this process, which provides energy for most living things.
Cellular Respiration
What would happen if there was a drought and most of the plant life in a habitat died? How would this change affect the ecosystem?
a. Herbivores would begin eating meat
b. Herbivores might die or leave the habitat
c. More carnivores would move into the habitat
d. A drought would not affect an ecosystem
B. Herbivores might die or leave the habitat
What is a nonrenewable resource?
a. A resource that can be replaced quickly
b. Corn
c. A natural resource that takes a long time to replace
C. A natural resource that takes a long time to replace
Synthetic materials are
a. Made from natural resources that undergo a chemical process
b. Produced naturally from the Earth
c. Good for the environment
d. Bad for humans
A. Made from natural resources that undergo a chemical process
Electric potential energy _________ as distance increases.
a. Increases
b. Decreases
c. Remains constant
B. Decreases
Cellular respiration is
a. The process by which organisms use oxygen to break down food molecules to get chemical energy.
b. Plants using sunlight and water to produce their own energy in the form of glucose.
c. The breaking down of fats so that they are emulsified.
d. All the above
A. The process by which organisms use oxygen to break down food molecules to get chemical energy.
These organisms, like bacteria and fungi, break down dead organisms, returning nutrients like nitrogen and carbon to the soil.
Decomposers
A solution for overhunting of sensitive species is
a. Let them hunt as much as they want
b. Allow hunting season for a longer period of time
c. Ban hunting altogether
d. Give out a number of hunting permits based on the scientific assessment of how many animals are in the population
D. Give out a number of hunting permits based on the scientific assessment of how many animals are in the population
Change in state of matter is a
a. A chemical change
b. A physical change
c. A permanent change
d. unchangeable
B. A physical change
What is thermal energy?
a. A form of energy that shows brightness
b. Potential energy
c. A form of energy that is transferred between systems and objects
d. A form of energy that you can hear
C. A form of energy that is transferred between systems and objects
Oxygen is a product of photosynthesis, and this gas is a product of cellular respiration.
Carbon Dioxide
In the foothills of the mountains, many new houses are being built. How does this affect the organisms who were already living there? Choose the answer that is most likely.
a. It would have no effect on organisms already living there
b. There are no organisms living there
c. The organisms living there would lose some of their space and habitat
d. The organisms would find a way to adapt and live in the same habitat that the houses are now sitting on
C. The organisms living there would lose some of their space and habitat
The greenhouse effect is caused by
a. Geothermal heat from the inside of the Earth heating the Earth’s surface
b. Sunlight burning a hole through the Ozone Layer
c. Gases in the lower atmosphere absorbing radiation from the Earth's surface
d. Too much hot air from everyone breathing
C. Gases in the lower atmosphere absorbing radiation from the Earth's surface
These are synthetic resources
a. wood, dirt, goats, eggs
b. Juice, apples, cotton, silk
c. Steel, pencils, cough medicine
C. Steel, pencils, cough medicine
The amplitude of a wave depends on how much energy is carried by the wave. What happens to two waves that are identical except Wave A has greater amplitude than Wave B?
a. The wave with the greater amplitude will carry more energy
b. The wave with the lower amplitude will carry more energy
c. Wave A and Wave B will carry the same amount of energy
d. Amplitude is not related to the wave’s energy
A. The wave with the greater amplitude will carry more energy
What happens during photosynthesis
A. The cell uses oxygen to make food
B. The cell uses the energy in sunlight to make food
C. The cell uses glucose to make oxygen
B. The cell uses the energy in sunlight to make food
In a food web, these organisms are always at the base, producing their own food through photosynthesis or chemosynthesis.
Producers
Some natural hazards have phenomena before the event. An example of this is_________
a. A loud roaring sound from the ocean before a tsunami
b. A thunderbolt before an earthquake
c. A flood before a wildfire
A. A loud roaring sound from the ocean before a tsunami
When a substance changes from solid to gas and does
not go through the liquid phase it is called what?
a. Evaporation
b. Condensation
c. Freezing
d. Sublimation
D. Sublimation
Objects or substances that absorb any wavelength of electromagnetic radiation become warmer and_______.
a. Produce a gas
b. convert the absorbed energy to infrared radiation (heat)
c. Convert the absorbed energy into chemical energy
d. Reflect back twice as much energy
B. convert the absorbed energy to infrared radiation (heat)
This organelle, found in plant cells, is where photosynthesis occurs.
Chloroplast
These organisms, also known as herbivores, consume producers and represent the second trophic level in a food chain.
Primary Consumers
The formation of valuable mineral deposits, like copper or gold, in specific locations is largely due to these natural processes, which explains why they aren't found everywhere.
Geological Processes