Science - Fourth Grade

Question 1 of 29

10

❌ is in charge of everything in our bodies, sending and receiving messages through the nerves.

Drag and drop to complete the text.

The brain

The stomach

The mouth

Explanation

Question 2 of 29

10

Humans have ❌ to help the brain to connect to the world.

Drag and drop to complete the text.

five senses

three senses

friends

Explanation

Question 3 of 29

10

Our five senses are:

Select one of the following:

Sight, hearing, smell, taste, and touch.
sight, hearing, smell, taste, and brain.
Smell, arms, and touch. sight, hearing,

Explanation

Question 4 of 29

10

❌ are the bones that hold up the human body.

Drag and drop to complete the text.

Skeletons

Feet

Muscles

Explanation

Question 5 of 29

10

Bones meet each other at joints held by ligaments.

Select one of the following:

True
False

Explanation

Question 6 of 29

10

❌ make bones move pulling on them. People have to use lots of muscles for every move.

Drag and drop to complete the text.

Muscles

The five senses

Legs

Explanation

Question 7 of 29

10

People have to use ________________ for every move.

Select one of the following:

lots of muscles
lots of brains
lots of water

Explanation

Question 8 of 29

10

Pollination is...

Select one of the following:

the movement of pollen from a stamen to a pistil to make a seed.
an important ecosystem.
the name of a flower.

Explanation

Question 9 of 29

10

Just ONE animal reproduces sexually.

Select one of the following:

True
False

Explanation

Question 10 of 29

10

Most animals reproduce sexually. They need ❌

Drag and drop to complete the text.

two parents: Male and Female.

a lot of food and water.

to make a seed.

Explanation

Question 11 of 29

10

Some animals are viviparous; they ❌ Like mammals (humans).

Drag and drop to complete the text.

keep the embryo inside their bodies.

eat a lot of insects.

sleep too much.

make their own food.

Explanation

Question 12 of 29

10

They are MAMMALS. They reproduce sexually and need two parents (Male and Female).

Select one of the following:

Humans
Birds
Fishes

Explanation

Question 13 of 29

10

An ecosystem is formed by...

Select one of the following:

living and non living things together in one area.
two parents. Female and Male.
mountains, rivers and rocks.

Explanation

Question 14 of 29

10

One of the most important factors of an ecosystem is ❌. It makes the difference between a tropical forest and a desert.

Drag and drop to complete the text.

water

pollen

a family of mammals

a human body

Explanation

Question 15 of 29

10

Which ecosystems are these?

Select one of the following:

Desert and Tropical Forest
Desert and Tundra
Tropical Forest and Fresh water river

Explanation

Question 16 of 29

10

Living things get their energy in just ONE way.

Select one of the following:

True
False

Explanation

Question 17 of 29

10

Living things get their energy in DIFFERENT ways.

Select one of the following:

True
False

Explanation

Question 18 of 29

10

Select from the dropdown lists to complete the text.

( Producers, Consumers, Decomposers ) like plants make their own food.
( Consumers, Producers, Decomposers ) like animals eat other living things.
( Decomposers, Producers, Consumers ) eat dead living things and enrich the soil.

Explanation

Question 19 of 29

10

This worm is...

Select one of the following:

a Decomposer
a Consumer
a Producer

Explanation

Question 20 of 29

10

This shark is...

Select one of the following:

a Consumer
a Producer
a Decomposer

Explanation

Question 21 of 29

10

This daisy is...

Select one of the following:

a Producer
A Consumer
A Decomposer

Explanation

Question 22 of 29

10

Producers, consumers, and decomposers...

Select one of the following:

move energy in a food chain.
live only in the forest and enrich the soil.
eat other living things.

Explanation

Question 23 of 29

10

Is a type of energy and It’s measured by temperature.

Select one of the following:

Heat
A Muscle
A brain

Explanation

Question 24 of 29

10

Matter can't change state based on heat or temperature.

Select one of the following:

True
False

Explanation

Question 25 of 29

10

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).

Select one of the following:

True
False

Explanation

Question 26 of 29

10

❌ is used in the preparation of food, it can kill bacteria and viruses, as well as various parasites.

Drag and drop to complete the text.

Heat

A food chain

Pollen

Explanation

Question 27 of 29

10

The food chain was discovered by Louis Pasteur (1864).

Select one of the following:

True
False

Explanation

Question 28 of 29

10

What happens during PASTEURIZATION?

Select one of the following:

Most of the existing bacteria in the food or drink are killed.
The molecules will move very fast and will become a gas (steam).
Bacteria and viruses eat dead living things and enrich the soil.

Explanation

Question 29 of 29

10

When heat is used in the preparation of food, it can kill or inactivate harmful organisms, such as ...

Select one of the following:

Bacteria and viruses, as well as various parasites.
molecules.
Parasites like pollen and spiders.

	Created by Leonardo López about 8 years ago

Final Test: 1.- YOUR BODY 2.- REPRODUCTION 3.- ECOSYSTEM 4.- HEAT

Science - Fourth Grade

Science - Fourth Grade

Question 1 of 29

❌ is in charge of everything in our bodies, sending and receiving messages through the nerves.

Drag and drop to complete the text.

Explanation

Question 2 of 29

Humans have ❌ to help the brain to connect to the world.

Drag and drop to complete the text.

Explanation

Question 3 of 29

Our five senses are:

Select one of the following:

Explanation

Question 4 of 29

❌ are the bones that hold up the human body.

Drag and drop to complete the text.

Explanation

Question 5 of 29

Bones meet each other at joints held by ligaments.

Select one of the following:

Explanation

Question 6 of 29

❌ make bones move pulling on them. People have to use lots of muscles for every move.

Drag and drop to complete the text.

Explanation

Question 7 of 29

People have to use ________________ for every move.

Select one of the following:

Explanation

Question 8 of 29

Pollination is...

Select one of the following:

Explanation

Question 9 of 29

Just ONE animal reproduces sexually.

Select one of the following:

Explanation

Question 10 of 29

Most animals reproduce sexually. They need ❌

Drag and drop to complete the text.

Explanation

Question 11 of 29

Some animals are viviparous; they ❌ Like mammals (humans).

Drag and drop to complete the text.

Explanation

Question 12 of 29

They are MAMMALS. They reproduce sexually and need two parents (Male and Female).

Select one of the following:

Explanation

Question 13 of 29

An ecosystem is formed by...

Select one of the following:

Explanation

Question 14 of 29

One of the most important factors of an ecosystem is ❌. It makes the difference between a tropical forest and a desert.

Drag and drop to complete the text.

Explanation

Question 15 of 29

Which ecosystems are these?

Select one of the following:

Explanation

Question 16 of 29

Living things get their energy in just ONE way.

Select one of the following:

Explanation

Question 17 of 29

Living things get their energy in DIFFERENT ways.

Select one of the following:

Explanation

Question 18 of 29

Select from the dropdown lists to complete the text.

Explanation

Question 19 of 29

This worm is...

Select one of the following:

Explanation

Question 20 of 29

This shark is...