Science Benchmark

plants need sunlight, water and ________________ to make their own food

• photosynthesis
• carbon dioxide
• oxygen
• sunlight

some renewable resources are

• fossil fuels, minerals
• wind, plants, water
• water, oil, coal
• plants, natural gas and coal

______________________ are formed over millions of years after ancient plant or sea life were buried by sediments?

• fossil fuels
• alternative energy
• geothermal energy

Scientists have studied the rainfall and temperature of Alaska of the last 50 years.  They are studying Alaska's ______________

• weather
• climate
• atmosphere
• water cycle

cactus having thorns and a bull having horns is not an example of a 

• inherited trait
• learned behavior

animals learning tricks and a child riding a bicycle are not examples of 

• inherited traits
• learned behaviors
• instincts

• complete metamorphosis
• incomplete metamorphosis

What causes the sun to look like it moves across the sky

• the rotation of the Earth
• the seasons of the Earth
• the sun revolving around the Earth
• the moon revolving around the Earth

What is the North Stars Scientific Name?

• Peleic

• Pallec

• Palles

• Polaris

what is a meteor

• A meteoroid when it enters a planet's atmosphere.

• An asteroid in the suns gravity

• A rock

• A planet