Oil, natural gas and coal are examples of

• Fossil fuels

• Renewable resources

• Biofuels

• Geothermal resources

Tags

NGSS.MS-ESS3-1

What is the main cause of seasons on the Earth?

• The tilt of the Earth's axis in relation to the sun

• The distance between the Earth and the sun

• Changes in the amount of energy coming from the sun

• The speed that the Earth rotates around the sun

Tags

NGSS.MS-ESS1-1

An antacid relieves an overly acidic stomach because the main components of antacids are …

• Acids

• Bases

• Isotopes

• Neutral

Tags

NGSS.MS-PS1-2

Which of these is a major concern about the overuse of antibiotics?

• It can lead to antibiotic-resistant bacteria

• There will be an antibiotic shortage

• Antibiotics can cause secondary infections

• Antibiotics will get into the water system

Tags

NGSS.MS-LS2-4

Which of the following is the first calculating device?

• Abacus

• Calculator

• Turing Machine

• Pascaline

Who discovered that plants have life?

• Edward Jenner

• J.C. Bose

• Louis Pasteur

• Darwin

Doctor’s Thermometer was invented by:

• Newton

• Fahrenheit

• Louis Pasteur

• None of the above

Which metal is used by the jewellers to make gold and platinum ornaments heavier?

• Rhodium

• Iridium

• Erbium

• Thorium

Which one of the following waves are used by the common TV remote control?

• Radio waves

• Lasers

• Infrared waves

• Ultrasonic waves

If we say the child has an IQ of 100, what does this means?

• The performance of the child is below average.

• The performance of the child is above average

• The mental age of the child is equal to his actual age.

• The performance of the child cannot be better