3rd Grade Science : 3rd Grade Science
Study concepts, example questions & explanations for 3rd Grade Science
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Example Questions
Example Question #2 : Develop Models Of Organisms' Life Cycles
Carol has to make a model of a palm tree's life. What would be the worst title for her project?
"A Day in the Life of a Palm Tree"
"How the Palm Tree Grows"
"The Life Cycle of a Palm Tree"
"From Seed to Tree; The Story of a Palm Tree"
"A Day in the Life of a Palm Tree"
The worst choice for a title would be "A Day in the Life of a Palm Tree" because it is only is focused on one day of the tree's life rather than the entirety. The other names encapsulate what the project is about and focus on the lifespan on the tree. Carol has to make a model of the palm tree's life, so the title needs to include all parts from life to death.
Example Question #6 : Develop Models Of Organisms' Life Cycles
Which photograph models an organism that is in the middle of a change during their life cycle?
Models of organisms' life cycles can be made in numerous ways, and one is through a photograph. The image showing a tadpole as it develops legs and is losing its tail. As it matures, it will become a froglet and finally an adult frog. Frogs move through multiple stages before reaching their final adult form.
Example Question #1 : Describe Unique Organisms' Life Cycles And Similarities
What does the term organism mean? Example: Each organism has a unique life cycle.
An individual plant or animal
An internal body part needed for life
A group of different species living together
An unknown creature
An individual plant or animal
The term organism refers to an individual plant or animal. An organism is a living thing. An organism can be as simple as a single-celled life form or as complex as a human. Each organism does have a unique life cycle or stages that it travels through from birth to death.
Example Question #2 : Describe Unique Organisms' Life Cycles And Similarities
How is the life cycle of a duck different than the life cycle of a human?
Humans hatch from eggs, and ducks do not hatch from an egg.
Ducks live to adulthood, and humans do not live to adulthood.
Humans live to adulthood, and ducks do not live to adulthood.
Baby ducks hatch from eggs, and humans do not hatch from an egg.
Baby ducks hatch from eggs, and humans do not hatch from an egg.
There are both similarities and differences between the life cycle of a duck and a human. Both humans and ducks are born, go through a juvenile stage, move into adulthood, and then have offspring of their own. There is a difference to the start of their life cycles though, humans have live births, and ducks hatch from an egg.
Example Question #3 : Describe Unique Organisms' Life Cycles And Similarities
Though plants and animals have diverse and unique life cycles, there are some similarities between them.
True
False
True
The statement presented is accurate. The life cycles of plants and animals are diverse and different, but there are similarities to be found. The life cycle of plants and animals is the stages they follow from birth to death.
Example Question #1 : Describe Unique Organisms' Life Cycles And Similarities
Describe a unique characteristic of the butterfly's life cycle.
The butterfly begins life as an egg.
The butterfly undergoes a metamorphosis.
The butterfly becomes an adult.
The butterfly pollinates flowers.
The butterfly undergoes a metamorphosis.
A unique characteristic of the butterfly is that it undergoes a metamorphosis. The butterfly begins as an egg, then a larva (a caterpillar), a pupa in the cocoon, and finally will emerge as a butterfly. Metamorphosis is the change of shape or form, a transformation.
Example Question #4 : Describe Unique Organisms' Life Cycles And Similarities
What is a similarity between a snake's life cycle and a butterfly's life cycle?
They both have an adult phase.
They both grow legs.
They both build cocoons.
They both go through metamorphosis.
They both have an adult phase.
At first glance, a snake and butterfly don't seem to have a lot in common, but they do have some similarities. One example is that they both have an adult phase. The path to get to adulthood may be different for a snake and butterfly, but eventually, they both reach the final stage and become adults.
Example Question #1 : Describe Unique Organisms' Life Cycles And Similarities
What is a similarity between a frog's life cycle and a butterfly's life cycle?
They both grow wings.
They both start as eggs.
They both grow long tails.
They both build a cocoon.
They both start as eggs.
At first glance, a frog and butterfly don't seem to have a lot in common, but they do have some similarities. One example is that they both start as eggs. The path to get to adulthood may be different for a snake and butterfly, but in the beginning, they are both just eggs. Their lives take different paths after the eggs hatch, but this is a similarity between the two animals.
Example Question #1 : Describe Unique Organisms' Life Cycles And Similarities
Describe a unique characteristic of the frog's life cycle.
Frogs do not have any unique characteristics in their life cycle.
A frog starts with a tail, then grows wings, and finally, the tail shrinks until it is gone.
A frog starts with a tail, then grows legs, and finally, the tail shrinks until it is gone.
A frog starts as an egg and then morphs directly into an adult form.
A frog starts with a tail, then grows legs, and finally, the tail shrinks until it is gone.
A unique characteristic of the frog's life cycle is its loss of tail and the growth of legs! A tadpole has a tail, and slowly legs grow (two at a time) as the tail shrinks. For quite a while, the frog has a small tail and four legs. Eventually, the tail shrinks until it is gone, and the frog reaches its adult stage.
Example Question #3 : Describe Unique Organisms' Life Cycles And Similarities
Many animals have unique life cycles.
True
False
True
Each organism is unique because they are all different. No two organisms are identical. Each offspring inherits characteristics from their parents, which gives them their make-up. Different organisms move through different life cycles, which put them at different stages. Many animals have different ways of caring for their young, gathering food, or life expectancies. Plants come in varieties of sizes, colors, and shapes. Each organism is unique.
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