4th Grade Science EOY Review

Front

What is not a form of Energy? Options: sun, sound, electrical, rock

Back

rock

Front

Waves that are close together make what kind of sound?

Back

high pitch

Front

The breaking down of rocks

Back

weathering

Front

Plants help stop______________.

Back

erosion

Front

Can a glacier cause weathering and erosion?

Back

yes

Front

Habitat loss is the primary cause of species endangerment. Most habitat loss can be linked directly to ________________.

Back

actions by human beings

Front

A certain type of plant is able to live in only one part of the world. If the temperature permanently changes in this part of the world and the plant cannot adapt, likely how will this plant be affected?

Back

The plant will become extinct.

Front

Of the following, which would LEAST contribute to the extinction of a species? Options: loss of food source, removal of natural predators, natural disasters, over-hunting

Back

removal of natural predators

Front

Air passing over vocal cords in the throat causes vibrations. These vibrations produce ________.

Back

sound

Front

The vocal chords of a lion vibrate at a slower rate when it roars. What best describes the pitch of the lion's roar?

Back

low pitch