1) Paper is made from wood pulp. a) true b) false 2) Taking medicine more than the prescribed amount can make you feel better. a) true b) false 3) Rebars are used to improve the tensile strength of concrete? a) true b) false 4) Plastics are also known as polymers. a) true b) false 5) The flash point of a combustible material is lower than that of a flammable material. a) true b) false 6) What is matter? a) Is a mixture which a substance is dissolved b) Is made up of two or more substances c) Is a substance that is made up of only one atom d) Is anything that occupies space and has mass or weight 7) What is the ability of an object to easily break into pieces? a) Elasticity b) ductility c) brittleness d) viscosity 8) Which of the following is a good conductor of heat and electricity? a) metal b) glass c) palstic d) wood 9) What property is the ability to return to its original shape after being stretched? a) malleability b) porosity c) elasticity d) ductility 10) What property is the ability to make surfaces join or adhere together? a) viscosity b) water resistance c) density d) adhesiveness

Science 5 8/25/2022

vytvoril(a)

Rebríček

Vizuálny štýl

Možnosti

Prepnúť šablónu

Obnoviť automaticky uložené: ?