Finding Area

Herbivores are animals that eat plants. Finding many fossils of large herbivores in rocks that are millions of years old would lead to what conclusion about the ancient environment of an area? A reasonable conclusion is that the area was once a -

• rocky seashore

• thriving grassland

• frozen lake

• muddy swamp

Tags

NGSS.MS-LS4-1

An area is currently a forest. What evidence would best indicate that this area was covered by water millions of years ago?

• An increase in rainfall in the forest over time

• Presence of plants in the forest that need water to live

• Fossils of fish discovered in rocks below the forest

• Insects living in the forest that lay their eggs in water

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following methods would be most appropriate to find the area of an irregularly shaped leaf?

• Using a ruler to measure the longest side

• Counting the number of grid squares it covers on graph paper

• Estimating based on the size of a similar regular shape

• Using a protractor to measure angles

A scientist wants to find the area of a rectangular field. If the length is 50 meters and the width is 20 meters, what is the area?

• 1000 square meters

• 70 square meters

• 500 square meters

• 2000 square meters

Which scientific instrument is most suitable for measuring the area of a small, flat object?

• Microscope

• Caliper

• Planimeter

• Thermometer

• 154 square cm

• 44 square cm

• 21 square cm

• 49 square cm

What is the area of a triangle with a base of 10 cm and a height of 5 cm?

• 25 square cm

• 50 square cm

• 15 square cm

• 30 square cm

Which of the following units is used to express area?

• Cubic meters

• Square meters

• Meters

• Liters

A rectangular garden has an area of 300 square meters. If the length is 15 meters, what is the width?

• 20 meters

• 25 meters

• 10 meters

• 30 meters

• 78.5 square cm

• 31.4 square cm

• 50 square cm

• 100 square cm