Challenging Grade 2 Science Worksheets
The rate of progress of science and technology is astounding in the modern world. It is every parent’s dream to get his child excel in science right from a young age. The worksheets given below may be challenging, but with a little help from you, your child can definitely ace it.
Worksheet 1: Vertebrates and Invertebrates (difficulty level – challenging)
(Tips for teachers/ parents: Many kids may be familiar with the word ‘backbone’, but not ‘vertebra’. You have to introduce the terms ‘vertebrate’ and ‘invertebrate’ to them. You need to give them this information, and also make them feel their own or your vertebra.)
Categorize the following animals into vertebrates and invertebrates
Shark |
Spider |
Vertebrates |
Invertebrates |
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Answer key
Vertebrates |
Invertebrates |
Shark |
Ants |
Seahorse |
Honeybee |
Goldfish |
Snail |
Snake |
squid |
Monkey |
scorpion |
Parrot |
Tapeworms |
Frog |
Spider |
Dog |
jellyfish |
Crocodile |
octopus |
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leech |
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starfish |
Worksheet 2: Carnivores, Herbivores, Omnivores (difficulty level – challenging)
(Tips for teachers/parents: All kids are familiar with different types of food by age 7, which is grade 2. Some of them will know the difference between vegetarian food and non-vegetarian food. You can show pictures or videos of animals eating, and ask your child what kind of food the animal is eating. From there, you can introduce the idea of carnivores (meat eating animals), herbivores (plant eating animals) and omnivores (animals that eat both meat and plants).
Categorize the following animals into carnivores, herbivores or omnivores.
Bear |
deer |
Carnivores |
Herbivores |
Omnivores |
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Answer key
Carnivores |
Herbivores |
Omnivores |
lion |
horse |
bear |
panda |
elephant |
pig |
crow |
deer |
ape |
wolf |
goat |
squirrels |
spider |
cow |
hedgehog |
hyena |
gorilla |
dog |
cheetah |
rabbit |
chimpanzee |
polar bear |
tortoise |
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cat |
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Worksheet 3: Solid, Liquid or Gas (difficulty level – medium)
(Tips for teachers/parents: Most kids by now would have learnt the difference between the different states of matter, but they may not be able to verbalize them. Thus, the task up to teachers and parents is to teach the child to associate each state of matter with the appropriate term.)
Categorize the items in the box below into solid, liquid or gas.
orange juice |
pen |
Solid |
Liquid |
Gas |
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Answer key
Solid |
Liquid |
Gas |
book |
orange juice |
air |
computer |
water |
steam |
nail |
milk |
oxygen |
sugar |
honey |
carbon dioxide |
pen |
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flower |
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paper |
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Worksheet 4: Gender in Animals (difficulty level – challenging)
(Tips for teachers/parents: Kids are usually fascinated with animals, and to know that there are gender differences among animals should not be difficult for them. If kids cannot see animals in real life, photos or videos can be shown so that they get an idea of the physical differences between the male animals and the female animals.)
The common names of some animals are given below. Write the name for the male and the female.
Common name |
Male |
Female |
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Answer key
Common name |
male |
female |
chicken |
rooster |
hen |
peacock |
peacock |
peahen |
sheep |
ram |
ewe |
horse |
stallion |
mare |
goose |
gander |
goose |
goat |
billy |
nanny |
cat |
tom |
tabby |
cow |
bull |
cow |
deer |
Buck, stag |
doe |
duck |
drake |
duck |
rabbit |
buck |
doe |
tiger |
tiger |
tigress |
Worksheet 5: True or False (difficulty level – challenging)
(tips for teachers/parents: Whether a statement is true or false should be known to a child at this age, even though they might say ‘correct’ for truth and ‘ not correct’ for false.)
Write ‘true’ or ‘false’ against each of the sentences given below:
1 |
Carrot is a root vegetable |
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2 |
Human beings need Oxygen to live |
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3 |
Broccoli is not a vegetable |
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4 |
Our heart pumps blood to all parts of our body |
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5 |
Water is not necessary for plants to live |
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6 |
Lions live in a nest |
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7 |
Fruits and vegetables are good for health |
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8 |
We should not brush our teeth in the morning |
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Answer key
1 |
Carrot is a root vegetable |
true |
2 |
Human beings need Oxygen to live |
true |
3 |
Broccoli is not a vegetable |
false |
4 |
Our heart pumps blood to all parts of our body |
true |
5 |
Water is not necessary for plants to live |
false |
6 |
Lions live in a nest |
false |
7 |
Fruits and vegetables are good for health |
true |
8 |
We should not brush our teeth in the morning |
false |