Senses at work - grade 4

To describe the delicious taste of a piece of chocolate, we should use the sense of...........

Owls have all the following properties that give them greater ability to sense distant preys making low sounds, except........

The shape of the paths taken by a jerboa while running away from danger.

The.......... the reaction time to a danger, the greater the chance of survival.

The.......... plays a great role in the functioning of the nervous system.

We can distinguish between water and milk through.........

Bats rely on.......... to locate their preys in the dark.

In response to a danger,.......... play a critical role in transmitting nerve signals to and from the brain.

Your sensation of hot weather depends on sensory receptors in the..........

The sensory organs of a dolphin help it do all of the following, except..........

If one of the beakers (A) and (B) contains sugar and the other contains salt, we can distinguish between them through the sense of ............

The nervous system of mammals consists of..........

Which of the following choices explain how the body reacts to the smell of food in the correct order?..........

The.......... the reaction time to a danger, the greater the chance of survival.

Closing your eyes quickly when light rays fall on them represents a.........

When you see a car coming towards you,.......... to get away from it.

The organ used to differentiate between different scents.

If you wake up to the smell of grilled chicken, the first part of your body that receive this smell is.........

A system that works inside the human body such that it keeps the organism away from danger.

When you hear the fire sirens, your......... send a signal to the brain.

Which of the following senses we use during watching a film on the T.V?...........

In both human and owls, we find that the ability to see at night is.........

When snakes make a noise, the sensory receptors found in jerboa's.........send a warning message to the brain.

Reaction time has an important effect in all of the following situations except..........

The nervous system can do all the following functions except..........

To know if a cup of water is hot or cold, we need to use the sense of..........

The senses upon which you depend to hold a small radio playing at low volume in a dark room are.....

The system responsible for moving your hand away from danger, such as touching a hot cup of tea, is the.......... system.

The response to a danger begins with.......... and ends with the suitable response.

An organ in the human body that can distinguish between the smell of vinegar and perfume.

The sense used to differentiate between smooth and rough surfaces.

The organ that processes the information collected through the sense of sight is.........

The time taken by an organism's body to respond to different reactions around it.

The organ which receives and processes the messages sent from the sensory receptors that are found in a jerboa's ears.

A type of waves that can be transferred from your ears to your brain.

A sense by which you can recognize the sour taste of lemon.

The organ used to differentiate between different types of food.

It delivers messages between the spinal cord and different body organs.

The brain, as the control centre of the nervous system, can deal with.......... at the same time.

When a jerboa hears the sound of a moving snake, it............

Reaction time can be estimated from the time between..........

The shorter the reaction time, the............

The reaction time is always........

If you smell smoke from something burning nearby, then you realized you had to move away fast. This means that there is an integration between the........... in this situation.

Your sensation of thunder and lightning depends on your senses of..........

To describe the color of your school bag to your friend, you should use the sense of.........

Some animals go out at night in their habitats to..........

When your hand touches the spines of a cactus plant, it is withdrawn in..........

The five senses of humans include........

Some animals become active during the night due to the following reasons except that..........