Sci10 4th Quarter-1

Chemical symbol of Sodium chloride.

• NaCl

• NaC

• SCl

• SC

Temperature of a gas can be measured in atm, torr, psi or mmHG.

• TRUE

• FALSE

How a chemical equation is balanced?

• changing subscripts

• adding elements as necessary

• adding coefficients

• erasing elements as necessary

Fire prevention Month.

• February

• March

• April

• May

According to him, the necks of giraffes vary in length: the long neck, medium neck and a short neck. Shortage of food and competition made the short and medium neck giraffes disappear, while the giraffes with long necks survived.

• Charles Darwin

• Jean Baptiste de Lamarck

• Robert Boyle

• Charles Darwin

Tags

NGSS.MS-LS2-1

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Amino acids are the building blocks of which group of biomolecules?

• carbohydrates

• lipids

• fats

• proteins

Tags

NGSS.MS-LS3-1

Carbohydrates are one of the main types of nutrients. They are the most important source of energy for your body.Which of the following is not a carbohydrate?

• milk

• malunggay

• champorado

• avocado

Which of the following is not a property of gases?

• no definite shape

• occupies all the spaces available

• diffuses easily

• most visible phases of matter

Tags

NGSS.MS-PS1-4

Cocolisap infestation outbreak has been declared in some parts of the Philippines. The cocolisap feeds on the sap of the coconut tree and injects toxic enzymes, resulting in discolored leaves and deformed plant tissues that retard its growth of coconut tree. This, results in a decrease of the survival rate of coconut trees. Which of the following factors limit the population of coconut trees?

• diseases and parasites

• emigration

• predation

• competition of resources

Tags

NGSS.MS-LS2-1

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What similarity can be found on Fishes, Salamanders, Lizards, Birds, Cats and Humans?

• They belong to the same group.

• They are all mammals.

• They all similar during the first stage of embryonic development.

• They belong to the same era of evolution.

Tags

NGSS.MS-LS4-3