1) It is used for mixing, stirring, and heating chemicals. It has a spout on their rims to aid in pouring. a) Erlenmeyer flask b) beaker c) test tube 2) It can hold a small amount of liquid or solid and is usually concave/convex in form. a) watch glass b) crucible and cover c) tong 3) It is also known as the boiling flask. a) Volumetric flask b) Erlenmeyer flask c) Florence flask 4) It is a glass tube with one end open and the other end closed and is usually used to hold small samples. a) test tube b) beaker c) funnel 5) It is used to channel liquids or fine-grained chemicals into labware with a narrow neck or opening. a) dropper b) weighing scale c) funnel 6) Which of the following is used for heating, sterilizing, and combustion in a laboratory? a) microscope b) alcohol lamp c) triple beam balance 7) It is used for scooping solid chemicals. a) spatula b) pipette c) tong 8) Which of the following should you use if you want to see small objects that the naked eye cannot see? a) microscope b) binocular c) magnifying glass 9) I want to know the exact measurement of the solid materials I will be using for my experiment. What should I use? a) pipette b) triple beam balance c) graduated cylinder 10) It is a primary measuring tool for the volume of a liquid. a) Erlenmeyer flask b) graduated cylinder c) beaker 11) What step in the scientific method needs first the use of our senses? a) formulating hypothesis b) making an observation c) asking a question 12) It is known as an educated guess. a) hypothesis b) conclusion c) data 13) Which of the following is quantitative data? a) 5 kilos of mangoes b) dark gray ashes c) long folder 14) Which of the following is qualitative data? a) 10 mg of goat's milk b) twenty-three horses c) small pieces of paper 15) It is something that is manipulated. a) independent variable b) dependent variable c) control variable 16) It is a variable that is held constant or remains unchanged all throughout the experiment. a) independent variable b) dependent variable c) control variable 17) It is the thing being measured that may be affected by the independent variable. a) independent variable b) dependent variable c) control variable 18) What data is measured in number? a) qualitative data b) quantitative data 19) What data use description or generalization of the results? a) qualitative data b) quantitative data 20) It is the last step of the scientific method. a) performing an experiment b) forming a conclusion c) analyzing data

SCIENCE 7 REVIEW ACTIVITY

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