PROPERTIES OF LIGHT
What is the speed of light (m)
300,000 m/s
SUNLUGHT IS NOT NECESSARY FOR GERMINATION.
TRUE/FALSE
TRUE
What is RAIN, WIND, INSECTS
TRUE/FALSE
A MATERIAL THAT ALLOWS LIGHT TO PASS THROUGH THEM IS KNOWN AS TRANSPARENT
WHAT IS TRUE..
WHAT IS BRIGHTNESS..
Light is a form of _____________
Energy
What is Germination?
The Process whereby a seed develops into a seedling.
POLIINATION IS THE TRANSFER OF ________ FROM THE ANTHER TO THE ______ OF A FLOWER.
POLLEN GRAINS TO THE STIGMA.
Materials that DO allow LIGHT to pass through them are called---------------
WHAT IS OPAQUE
TRUE/FALSE. THE SUN IS A NON-LUMINOUS OBJECT.
FALSE. THE SUN IS LUMINOUS
TRUE OR FALSE ? LIGHT DOES NOT TRAVEL IN A STRAIGHT LINE____
FALSE. LIGHT TRAVELS IN A STRAIGHT LINE.
What are the three conditions necessary for Germination?
What is Water, Air (Oxygen) and SUITABLE TEMPERATURE.
NAME THE TWO TYPES OF POLLINATION
WHAT IS SELF AND CROSS POLLINATION
Materials that allow SOME LIGHT to pass through are called ?
WHAT IS TRUE.
What is the name given for the process when light bounces off of polished surfaces.
REFLECTION
In germination, what happens to the seed after it has SUCCESSFULLY germinated?
What is it develops into a young plant (seedling)
Which of the following best describes cross-pollination?
A) The transfer of pollen from the anther of a flower to the stigma of the same flower
B) The transfer of pollen from the anther of one flower to the stigma of a flower on a different plant of the same species
C) The transfer of pollen from the anther of a flower to the stigma of a different species
D) The transfer of pollen by insects only
WHAT IS
B) The transfer of pollen from the anther of one flower to the stigma of a flower on a different plant of the same species
Light coming in contact with shiny (polished objects) is usually __________________
WHAT IS REFLECTED.
Which of the following is a luminous object?
A) The Moon
B) A burning candle
C) A wooden table
D) A glass of water
What is B) A Burning Candle
What is the name of the process whereby light bends as it travels through different mediums.
There are TWO types of germination. Name them.
WHAT IS EPIGEAL AND HYPOGEAL
Which of the following best describes self-pollination?
A) The transfer of pollen from the anther to the stigma of the same flower or another flower on the same plant
B) The transfer of pollen from one plant to another plant of a different species
C) The transfer of pollen by only wind and water
D) The transfer of pollen from one flower to another flower on a different plant
What is
A) The transfer of pollen from the anther to the stigma of the same flower or another flower on the same plant
When light falls on an object three things can occur. Light can be ____________________, ____________________ and ____________________ when it falls on an object.
What is transmitted, reflected, and absorbed
What is the main difference between luminous and non-luminous objects?
A) Luminous objects reflect light, while non-luminous objects produce their own light.
B) Luminous objects produce their own light, while non-luminous objects reflect light.
C) Non-luminous objects are always transparent, while luminous objects are opaque.
D) Luminous objects do not emit light, while non-luminous objects do
What is B) Luminous objects produce their own light, while non-luminous objects reflect light.