Science Review G5 2nd Term

Which are necessary for plants to produce energy? Select all that apply.

• sunlight

• carbon dioxide

• sugar

• water

Which of these items does a plant need to make their own food? Select all that apply.

• carbon dioxide

• oxygen

• water

• sunlight

A scientist is studying the effects of burning fossil fuels. One effect is acid rain. She is creating a plan to prevent further acid rain damage to the ecosystem. What should the scientist include in her plan? Select all that apply.

• Ask people to drive more instead of walking or biking.

• Develop vehicles that burn more gasoline per mile driven.

• Reduce the amount of public transportation available in the city.

• Develop vehicles that use renewable energy instead of fossil fuels.

• Encourage people to carpool instead of driving individual vehicles.

Which of the following is not one of the 'three Rs' of conservation?

• recycle

• reduce

• refilter

• reuse

Which will most likely happen if lake water becomes polluted by humans?

• Animals in the lake will die.

• There will be more fish in the lake.

• The pollution will not hurt the plants or animals in the water

• It will change the soil around the lake into pebbles.

It has been very dry in Miguel's city for the past several months. The local government has placed the city under a drought warning, which means people in the city should try to conserve as much water as possible.

What can Miguel do to help conserve water? Select all that apply.

• filter water before drinking it

• take short showers instead of baths

• brush his teeth at the same time each day

• turn off the water when he brushes his teeth

• wash his hands using hot water instead of cold water

Which of the following can happen when water interacts with rock formations? Select all that apply.

• climate changes

• a canyon forms

• sediment forms

• rain falls

• high tide occurs

Which is an example of a process that can slowly change the surface of Earth?

• earthquakes

• glaciers

• volcanoes

• landslides

Anna goes to the same beach with her family every summer. This year she noticed that the beach was smaller than last year. What might have caused the beach to change over the years?

• A volcano erupted and lava flowed over the beach.

• The cold weather caused the beach to change.

• Wind and water eroded the beach.

• Oxygen in the air reacted with the sand.

Which of the following is not a contributing cause of a mudslide?

• heavy rains

• the pull of gravity

• hot, dry weather

• water absorbing in the soil