All about 3rd Grade Science.

Which is the hottest planet of our solar system? a) Uranus b) Mercury c) Venus

The biggest planet of the solar system is________ a) Saturn b) Earth c) Jupiter

What tool could you use to measure the weight of an object?

About how long does it take for the moon to orbit the Earth? a) 1 day b) 1 year c) 1 month

What travels faster, light or sound?

How many teeth are there in an adult human being? a) 30 b) 31 c) 32

What will happen to this snowman on a warm, sunny day?

Is snake a vertebrate or invertebrate?

What are pushes and pulls? a) forces b) subjects c) branches of science

Colours and patterns that hide an animal against its background is called__________ a) sleeping b) camouflage c) attacking

Animals that only eat meat are called________ a) Omnivores b) Carnivores c) Herbivores

Which material is attracted to magnets? a) wood b) aluminums c) iron

When the circuit is incomplete what will happen? a) the electricity will continue to flow b) the electricity won't flow

How many colours are there in a rainbow?

What is the Sun? a) planet b) star c) satellite

Which was once a planet, but is now renamed a dwarf planet? a) Pluto b) Mercury c) Mars

In winters, the days are _____________ and nights are ___________. a) longer and shorter b) shorter and longer c) they stay the same

What is a hypothesis? a) an educated guess b) a tool to measure wind c) a box to carry notes

Which of the following is NOT a good source of protein? a) carrot b) peanut c) fish

How do humans breathe? a) with gills b) with lungs c) they have gills and lungs both to breathe