2nd Grade Science

Physical

100

When water freezes it changes from a liquid to a ______

What is a solid.

200

The force that pulls objects toward the ground is called __________.

What is gravity.

300

All magnets have a _______ and ________ pole.

What is north and south pole.

400

What forces can move an object?

What is a push or a pull.

500

The three states of matter are ________________.

What is solid, liquid, and gas.

Earth & Space

100

Sand is made up of tiny pieces of _____________.

What is rock.

200

Moving air is called ____________.

What is wind.

300

__________ is made of small pieces of rock and dead plant and animal remains.

What is soil.

400

Will water in a closed container or an open container evaporate first?

Water in an open container will evaporate first.

500

True or False. During a lightning storm, under a tree is a safe place to hide.

False

Life

100

Which bone protects your brain?

The Skull

200

Where do plants get their energy from?

The sun

300

What are the basic needs for life that all living things must have.

Food, water, shelter.

400

What body part does a human use for breathing?

Lungs

500

What group of animals have scales?

Reptiles

Zoology

100

Fastest land animal?

cheetah

200

The largest animal on earth?

Blue Whale

300

How long ago were dogs domesticated?

About 30,000 years ago

400

How many bugs are on your body?

1.5 million 

500

Which animal is the most deadly?

Mosquitoes