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Give 2 examples of mammals
Human, cat....
What is the symbol of force?
F
Water is a ......
Liquid
What is an opaque substance?
not allowing light to pass through
The Earth is a ........
Planet
Name a creature that reproduces by laying eggs.
Chicken...
How is force measured?
Dynamometer
Mug is a ......
Solid
What is translucent matter?
substance that transmits some of the light through
The Moon is a ...........
Satellite
To which living class does the whale belong?
Mammals
Give 2 examples designed according to friction force
Trains, Airplanes....
Steam is a ......
Gas
What are the lines that show the path of the light coming out of its source called?
Ray
Sun is the center of the ....... ........
Solar system
Warm-blooded animals. They have wings and feathers.
Birds
............ is the movement caused by a force.
Motion
............ happens when a solid turns into a liquid from being heated.
Melting
Give 2 examples of natural light sources
Stars, fireflies, fire ...
Sun is a source of ......... and .........
Light and heat
They live in the water and breathe with gills.
Fishes
Give 2 examples of the types of force
Push, Pull, Roll, Slide, Spin, Swing..
..................... is the term used to describe liquid turning to gas at a higher temperature than evaporation.
Boiling
How is shadow formed? Explain in 1 sentence.
When opaque material comes in front of the light source