Ledford post test review

How many high tides usually will occur at Virginia Beach during any 24-hour period?

• one

• two

• three

• four

Which of these best shows a change from solar energy to chemical energy?

• Heating of pavement

• Photosynthesis in leaves

• Evaporation of water

• Formation of rainbows

Tags

NGSS.MS-LS1-6

Which of theses have a positive charge and are found in the nucleus of an atom?

• protons

• neutrons

• electrons

• elements

One complete revolution of Earth around the sun is equal to approximately one -

• year

• day

• month

• week

Tags

NGSS.MS-ESS1-1

Which of these causes tides on the Earth?

• The revolution of the Earth around the sun

• The tilt of the Earth's axis

• Differences in wind speed around the Earth

• The gravitational pull if the moon

Tags

NGSS.MS-PS2-4

Which of these best shows that calcium is different from all other elements?

• Its positive electrical charge

• the number of protons

• its presence in milk

• its ability to combine with oxygen

A battery is placed inside a flashlight and then the flashlight is turned on. The chemcial energy of the battery is changed into all of the following forms of energy except -

• mechanical energy

• heat energy

• light energy

• electricl energy

Which of these would be different for an object if measured on the Earth and on the moon?

• mass

• weight

• density

• volume

Energy from the Sun is distributed around Earth by

• subduction and rift zones

• tectonic plates

• solar flares

• radiation and convection

Tags

NGSS.MS-ESS2-6

How is solar energy transfered from the sun to the Earth?

• Radiation

• Conduction

• Ultrasonic

• Convection

Tags

NGSS.MS-ESS1-1