Which of the following does the root absorb from the soil?
oxygen and nitrogen
water and minerals
seeds and insects
sunlight and air
Which of the following are NOT SAFE things to do ,as we might get an electric shock?
(Note: An immersion heater is shaped like a rod and is dipped in water to heat it, like a geyser,it uses electricity to heat water.
Suhani observed that wet roads dried up due to heat. She kept a bucket full of water out in the Sun to study the effects of heat on water. Around how long will it take for the water to completely dry off from the bucket?
half a day
From where do fish in the sea get oxygen to breathe?
Butterflies have a long,thin tube- like mouth called [blank_start]_________________[blank_end]_ . They use it to suck [blank_start]__________[blank_end] from flowers.
Some liquids such as glycerin ,alcohol and milk can dissolve in water. Such liquids that mix with each other are called[blank_start]_________[blank_end].
Molecules in gases are [blank_start]____________[blank_end] packed with lots of space between them. The force of attraction between molecules are very [blank_start]____________[blank_end].
The layers of soil are collectively known as soil profile. The uppermost layer of soil is called [blank_start]_____________[blank_end]. The middle layer known as [blank_start]______________.[blank_end] The bottom layer is made up of unweathered rock called[blank_start]___________[blank_end].
[blank_start]________________[blank_end]rocks are formed from igneous or sedimentary rocks. When these two types of rocks are subjected to intense heat and pressure inside the earth.
A type of waste that can be decomposed by other living organisms [blank_start]________________[blank_end]
The method of changing a liquid into its vapours and then condensing the vapours to get the pure form of that liquid is called [blank_start]______________[blank_end].
Water boils at [blank_start]__________[blank_end]
100 degree celcius
Air is a mixture of gases. It contains about [blank_start]__________[blank_end]% of nitrogen.
These muscles of our body are not under our control.They are also called [blank_start]____________________[blank_end] muscles.
Sania saw that one of the vegetables she bought at the market had thin roots on it.Which one?
Michelle made a lemon drink by mixing some lemon juice,sugar,water and salt in a glass.She added six ice cubes to it. She took a few sips and kept the glass on the table. After 30 minutes she drank the remaining drink.What is she likely to find about the taste of the drink after 30 minutes compared to the first sips she took?
It will be more salty.
It will be more sour.
It will be less sweet.
There will be no difference in the taste after 30 minutes.
Some examples of plant stems that we eat are potato,ginger and _________.
Ramesh was applying paint on the wall during which some of the paint fell on his hands. Instead of using water,Ramesh used kerosene oil to wash his hands. Which of the following options explains Ramesh's decision?