Humans and Medicine
Animals
States of matter
Sounds
Electricity
100
Our skeleton is made of _____
bones
100
Snails have a ______ on their back. Snails need it for protection
shell
100
Name 3 states of matter
Gas, liquid, solid
100
Sound vibrations travel through ____ to reach our ears
Air
100
What are the 3 components of a circuit?
battery, light bulb, wires
200
How many bones does our skeleton have?
206-208 bones
200
The snail produces _______ underneath its body. It helps the snail to glide along the ground
slime
200
Particles are very far from each other. It can have any shape. What state of matter is it?
Gas
200
What are the loudest sounds on Earth? Give 3-4 examples
Space shuttle, blue whale, volcanic eruption, gunfire etc.
200
What is this thing called?
Socket
300
A broken bone is called a _____
fracture
300
What do all birds have?
feathers, wings
300
What happens to water if we heat it?
It boils
300
The unit to measure the sound is called_____
decibel (dB)
300
What are these things called?
Electrical appliances
400
How do our muscles work? Explain and show
They contract and relax
400
The body temperature of birds doesn't change. It stays warm all the time. It means they are____
warm-blooded
400
If you put an ice cream under the sun, it _________
melts
400
When you hit the drum, it shakes very quickly. That's a____
vibration
400
What metal is in electric cables?
Copper
500
Animals with NO skeleton are called ____. Give 3 examples
invertebrates
500
What weather do snails like? Where do they usually live?
They like warm and rainy weather. They usually live under the rocks, stones and leaves
500
What process can you see in the picture?
Freezing
500
Is there a sound in space? Explain why
No, there is no sound in space.
Sound is transmitted by vibration of particles, and space is a vacuum where there are no atoms and molecules necessary to transmit sound waves.
500
What safety rules (about electricity) do you know?
1) Don't put your fingers in the socket
2) Don't put too many plugs into a socket. This can cause fires.
3) Don't touch electrical appliances with wet hands