Conservation of Natural Resources REVIEW

Which of the following are ways we can conserve natural resources? Select TWO correct answers.

• using less water.

• building new houses.

• cutting down more trees.

• reusing paper bags.

Answer explanation

Conserving natural resources can be achieved by using less water and reusing paper bags, which reduces the consumption of resources and minimizes waste.

The poster below encourages the use of cloth bags instead of plastic bags. Cloth bags conserve resources because they-

• must be purchased.

• come in many designs.

• are stronger than plastic.

• can be used many times.

Answer explanation

Cloth bags conserve resources because they can be used many times, unlike plastic bags which are often used once and then discarded.

Students made a mixture of sand, tiny rocks, small twigs, and some leaves in a jar. What did the student make a model of? How do you know?

Tags

CCSS.5.MD.C.3

According to the weather patterns listed, what would be a reasonable temperature in Houston on Thursday?

• 22°C

• 36°C

• 31°C

• 27°C

Answer explanation

Based on the weather patterns, a reasonable temperature in Houston on Thursday would be 31°C, as listed in the options.

Tags

CCSS.6.NS.C.5

Which statement is NOT true about the Sun?

• It keeps living things warm.

• It provides light and heat energy that warms the Earth.

• It powers the water cycle.

• It is the smallest and dullest object in the sky.

Answer explanation

The statement 'It is the smallest and dullest object in the sky' is NOT true about the Sun.

The process of breaking down rock over time is called-

• Decomposition

• Physical change

• Chemical change

• Weathering

Answer explanation

The correct answer is 'Weathering' because it refers to the process of breaking down rock over time.

Which of the following habits help conserve resources?

• driving larger vehicles that burn more fuel

• recycling old newspapers

• keeping the lights on when you are not at home

• washing smaller loads of laundry at a time

Answer explanation

Recycling old newspapers helps conserve resources by reducing the need for new paper production and saving trees.

The table shows the local weather during a weekend sporting event. Which of the following weather information is shown in the table?

• Saturday was cooler than Friday.

• It rained more on Friday.

• It was more humid on Saturday.

• Saturday had the strongest winds.

Answer explanation

The table shows that there was 0.5 inches of rain on Friday and 0.2 inches on Saturday, so it rained more on Friday.

Tags

CCSS.6.SP.B.5

Students were discussing the formation of soil and wrote their responses down. Which student's response was correct? Soil is formed when-

• only rocks decompose.

• living things decompose and rocks break down.

• students shake rocks in a jar.

• only living things die and decay.

Answer explanation

The correct response is 'living things decompose and rocks break down.' This is the process through which soil is formed.

What could happen when tectonic plates push against each other, and the pressure builds up?

• a thunderstorm

• a landslide

• a volcano

• an earthquake

Answer explanation

When tectonic plates push against each other and the pressure builds up, it can result in an earthquake.