7th gd Science Semester 1 Review

Front

What is quantitative data?

Back

Quantitative data refers to information that can be measured and expressed numerically, such as 'The box was made of 76 layers.'

Front

What is the thickest layer of the Earth that contains convection currents?

Back

The mantle is the thickest layer of the Earth and contains convection currents.

Front

What is the primary use of natural resources?

Back

The primary reason for using natural resources is to obtain energy.

Front

What is a renewable resource?

Back

A renewable resource is something that can be replenished in a relatively quick amount of time.

Front

What is melted rock that stays under the surface of the Earth called?

Back

Magma is the melted rock that remains beneath the Earth's surface.

Front

What is the difference between magma and lava?

Back

Magma is molten rock beneath the Earth's surface, while lava is magma that has reached the surface.

Front

What are convection currents?

Back

Convection currents are the movement of fluid caused by differences in temperature and density, often found in the mantle.

Front

What is the Earth's crust?

Back

The Earth's crust is the outermost layer of the Earth, composed of solid rock.

Front

What are natural resources?

Back

Natural resources are materials or substances that occur in nature and can be used for economic gain.

Front

What is the inner core of the Earth?

Back

The inner core is the solid, innermost layer of the Earth, primarily composed of iron and nickel.