What is the difference between sublimation and deposition?
What is sublimation is the phase change from solid to gas and deposition is the phase change from gas to solid?
100
When does high tide happen?
What is every six hours?
100
Who has the most similar traits: Kingdom or species?
What is species?
200
What are controlled variables?
What are variables that should be kept the same?
200
What is an example of homeostasis?
What is if your body gets too cold, it produces more heat by shivering?
200
What is density and how is it measured?
What is the amount of mass in a given volume and is measured in g/mL or g/cm3?
200
Why is the sun farther away in the summer?
What is because of Earth's tilted axis?
200
If a primary consumer is taken away in a food web what is affected?
What is the secondary consumer?
300
What is a control group?
What is a set of observations in which variables are not changed?
300
What is the difference between the endocrine and excretory system?
What is wastes from the digestive and circulatory systems are gathered by the excretory system and the endocrine system is controlled by the hypothalmus?
300
How many molecules are in the formula 12C2H6O and how many atoms of carbon are there?
What is 12 molecules and two atoms of carbon?
300
What is heliocentrism?
What is a theory that the planets revolve around the sun?
300
What is tissue?
What is nonliving and has energy?
400
What is a dependent variable?
What is the factor in an experiment that changes as a result of a chnage in an independent variable?
400
What is the difference between lake-succession and old-field succession?
What is in lake succession a lake gradually fills up with sediment and in old-field succession grassland gradually gives way to trees?
400
If two objects have different mass what is affected?
What is density?
400
Which planet is more dense Earth or Saturn? Why?
What is Earth because it is terrestial (made out of rock)?
400
What is mimicry?
What is the similarity in appearance of one species to another that protect one or both?
500
What is sample size?
What is the number of observations or data?
500
What are the three conditions of an ecosystem?
What is a definable natural boundary, matter flowing in and out of it, constant and changing interactions between organisms and their surroundings?
500
What is the difference between endothermic and exothermic?
What is endothermic is a type of chemical change that absorbs heat energy and exothermic is a type of chemical change that releases heat energy?
500
What causes the phases of the moon?
What is the position of the Earth, moon, and sun?
500
Compare and contrast a grasshopper and flower?
What is a grasshopper reproduces sexually and does not have a cell wall or chlorophyll. A flower reproduces asexually and has a cell wall and chlorophyll.