Science DPM Review

Front

What is a pencil made of?

Back

A pencil is typically made of wood, graphite, and sometimes plastic. It is designed to be hard and can weigh between 10-15 grams.

Front

What does it mean if something is a solution?

Back

A solution is a mixture where one substance is completely dissolved in another, like sugar in water.

Front

What is a non-renewable resource?

Back

A non-renewable resource is a natural resource that cannot be replaced once it is used up, such as coal, oil, and natural gas.

Front

What type of energy do we feel from the sun?

Back

The energy we feel from the sun is called thermal energy, which makes us feel warm.

Front

What does a wind speed measuring tool do?

Back

It measures how fast the wind is blowing.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances where each keeps its own properties, like a salad.

Front

What is thermal energy?

Back

Thermal energy is the energy that comes from the temperature of matter. The hotter the substance, the more thermal energy it has.

Front

What is an example of a renewable resource?

Back

An example of a renewable resource is solar energy, which can be replenished naturally.

Front

What is conservation?

Back

Conservation is the careful use of resources to prevent them from being wasted.

Front

What is the difference between a mixture and a solution?

Back

In a mixture, the substances can be separated easily, while in a solution, the substances are mixed so well that they cannot be easily separated.