EOY Science CBA Review 2nd Grade

All animals need the following EXCEPT

• food

• water

• soil

• air

Which of these do many animals need to provide a home?

• food

• water

• shelter

• air

Which of these do all plants need?

• saltwater

• shade

• oil

• air

Soil, water, air, nutrients, and sunlight are needed by all-

• plants

• fish

• birds

• insects

A student can help a plant grow by-

• putting it in a jar

• cutting the roots

• watering the soil

• telling it a joke

As winter gets closer there are cooler temperatures and less sunlight during the day. As a result, threes-

• grow taller

• lose leaves

• grow leaves

• get shorter

Canadian geese and many other birds migrate to different climates when-

• the wind blows harder

• temperatures get cooler

• the flowers begin to bloom

• rain clouds fill the sky

A plant growing in a pot changed after two weeks. The plant most likely changed because it needed more-

• insects

• noise

• darkness

• water

Some animals hibernate in winter. This behavior is a response to all of the following EXCEPT-

• a shorter period of daylight

• fewer clouds that make rain

• less available food sources

• cooler temperatures

Which of the following natural events would promote the growth of new plants?

• snow falling on the ground

• long periods of darkness

• rain and warm temperatures

• a very strong earthquake