Life Science 1
What materials are needed for photosynthesis?
Sunlight and water
In ecosystems, what are dead plants and animal wastes broken down by?
Decomposers
Is tearing a piece of paper in half a physical change or a chemical change?
Physical
What force is responsible for the cycling of water?
Gravity
Does the Earth revolve around the Sun or does the Sun revolve around the Earth?
The Earth revolves around the Sun. It takes 365 days to make a full revolution around the Sun
What diet do herbivores have?
All plants
The first organism in a food chain must be what?
a- A decomposer
b- A consumer
c- A producer
d- An herbivore
C- A producer
How would you define mass?
a- The amount of space an object occupies
b- The length of an object
c- The amount of matter an object contains
d- Length x Width x Height
c- The amount of matter an object contains
What is pressure?
Pressure is a continuous force that is a result of one object coming in physical contact with another.
Which type of rocks originate from volcanic activity
a- Igneous Rocks
b- Metamorphic Rocks
c- Sedimentary Rocks
A- Igneous Rocks
What types of gas are exchanged between mammals and plants?
Oxygen and Carbon Dioxide
Which of the following is not cycled in ecosystems?
a- Energy
b- Water
c- Oxygen
d- Carbon
a- Energy
Energy FLOWS!
Give an example of a chemical change
Which of the statements about the mass of the three blocks is true?
a- Block A has the most mass
b- Block B has the least mass
c- Block C has the most mass
d- All three blocks have the same mass
C- Block C has the most mass
The length of an Earth day is based on the time heeded to complete about one
a- Revolution around the Sun
b- Revolution of the Earth
c- Rotation of the Sun
d- Rotation of the Earth
d- Rotation of the Earth
What is one way we adapt to a hot, sunny environment?
Sweat, feel thirsty, eyes adjust to light, and other answers at Ms. Wrighton's discretion
Orchids grow on large trees. The orchids depend on the support of the trees, but do not harm the trees. What is that type of symbiotic relationship?
a- Mutualism. b- Commensalism
c- Parasitism d- Predator-Prey
B- Commensalism
Two objects are dropped in a tank of water at the same time. How can we tell which object is more dense?
The object that fell to the bottom first is more dense
Draw an example of a fully functioning closed electrical circuit with a battery and a lightbulb
Answers will be accepted at Ms. Wrighton's discretion
The length of an Earth year is based on the time heeded to complete about one
a- Revolution around the Sun
b- Revolution of the Earth
c- Rotation of the Sun
d- Rotation of the Earth
a- Revolution around the Sun
The end product of Photosynthesis goes by a fancy name for sugar...
Glucose
In Yellowstone National Park, some algae and bacteria can survuve and reproduce in hot springs at temperatures very high. The ability to survive at these temperatures is an example of
a- Adaptation b- Decomposition
c- Photosynthesis d- Respiration
A-Adaptation
A metal cube has a mass of 1, 500 grams and its dimmensions are 5 cm x 5cm x 5cm. What is the density of the metal?
(D = m / v)
Density is 12g/cm3
The Earth's mantle is heated in a way that slow circulation makes the hotter rock rise while the cooler rock sinks. Which form of heat flow does that circulation represent?
a- Convection
b- Conduction
c- Radiation
A- Convection
The image Ms. Wrighton will draw is something called Foliation. Foliation is the layering of materials within a rock. What must have been applied to a rock in order for Foliation to happen?
Heat and/or Pressure