Pregunta 1
Pregunta
[blank_start]The brain[blank_end] is in charge of everything in our bodies, sending and receiving messages through the nerves.
Respuesta
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The brain
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The stomach
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The mouth
Pregunta 2
Pregunta
Humans have [blank_start]five senses[blank_end] to help the brain to connect to the world.
Respuesta
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five senses
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three senses
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friends
Pregunta 3
Pregunta
Our five senses are:
Respuesta
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Sight, hearing, smell, taste, and touch.
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sight, hearing, smell, taste, and brain.
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Smell, arms, and touch. sight, hearing,
Pregunta 4
Pregunta
[blank_start]Skeletons[blank_end] are the bones that hold up the human body.
Pregunta 5
Pregunta
Bones meet each other at joints held by ligaments.
Pregunta 6
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[blank_start]Muscles[blank_end] make bones move pulling on them. People have to use lots of muscles for every move.
Respuesta
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Muscles
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The five senses
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Legs
Pregunta 7
Pregunta
People have to use ________________ for every move.
Respuesta
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lots of muscles
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lots of brains
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lots of water
Pregunta 8
Pregunta
Pollination is...
Pregunta 9
Pregunta
Just ONE animal reproduces sexually.
Pregunta 10
Pregunta
Most animals reproduce sexually. They need [blank_start]two parents: Male and Female.[blank_end]
Pregunta 11
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Some animals are viviparous; they [blank_start]keep the embryo inside their bodies.[blank_end] Like mammals (humans).
Pregunta 12
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They are MAMMALS. They reproduce sexually and need two parents (Male and Female).
Pregunta 13
Pregunta
An ecosystem is formed by...
Respuesta
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living and non living things together in one area.
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two parents. Female and Male.
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mountains, rivers and rocks.
Pregunta 14
Pregunta
One of the most important factors of an ecosystem is [blank_start]water[blank_end]. It makes the difference between a tropical forest and a desert.
Respuesta
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water
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pollen
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a family of mammals
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a human body
Pregunta 15
Pregunta
Which ecosystems are these?
Pregunta 16
Pregunta
Living things get their energy in just ONE way.
Pregunta 17
Pregunta
Living things get their energy in DIFFERENT ways.
Pregunta 18
Pregunta
[blank_start]Producers[blank_end] like plants make their own food.
[blank_start]Consumers[blank_end] like animals eat other living things.
[blank_start]Decomposers[blank_end] eat dead living things and enrich the soil.
Respuesta
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Producers
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Consumers
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Decomposers
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Consumers
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Producers
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Decomposers
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Decomposers
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Producers
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Consumers
Pregunta 19
Respuesta
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a Decomposer
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a Consumer
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a Producer
Pregunta 20
Pregunta
This shark is...
Respuesta
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a Consumer
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a Producer
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a Decomposer
Pregunta 21
Pregunta
This daisy is...
Respuesta
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a Producer
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A Consumer
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A Decomposer
Pregunta 22
Pregunta
Producers, consumers, and decomposers...
Pregunta 23
Pregunta
Is a type of energy and It’s measured by temperature.
Pregunta 24
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Matter can't change state based on heat or temperature.
Pregunta 25
Pregunta
Water can change state based on heat or temperature. If you heat water, the molecules will move very fast and will become a gas (steam).
Pregunta 26
Pregunta
[blank_start]Heat[blank_end] is used in the preparation of food, it can kill bacteria and viruses, as well as various parasites.
Pregunta 27
Pregunta
The food chain was discovered by Louis Pasteur (1864).
Pregunta 28
Pregunta
What happens during PASTEURIZATION?
Respuesta
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Most of the existing bacteria in the food or drink are killed.
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The molecules will move very fast and will become a gas (steam).
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Bacteria and viruses eat dead living things and enrich the soil.
Pregunta 29
Pregunta
When heat is used in the preparation of food, it can kill or inactivate harmful organisms, such as ...