Science Summative Assessment #1 - Maiysha Laguerre | Biblioteka

Instrukcije

1. Read each prompt carefully.

2. Select or write a response to each prompt.

Obavezno

2

What type of lab equipment is shown in the diagram?

Obavezno

2

Identify two ways this lab equipment can be used in a lab.

Obavezno

3

Goggles are worn during science experiments.....

To improve vision

only if you don't have glasses

To avoid eye strain

Anytime chemicals, sediments, or heat is used to protect your eyes

safely using the required tools and organizing and explaining information resources for a specific task.

Obavezno

2

What type of lab equipment is shown in the diagram?

Obavezno

2

If you don't understand the directions or part of a lab procedure, you should -

skip it and go to the next part

figure it out as you do the lab

try several methods until something works

ask the teacher before you start

safely using the required tools and organizing and explaining information resources for a specific task.

Obavezno

2

After completing an experiment, all materials waste should be -

taken home

disposed of according to your teacher's instructions

dumped into the sink

left at your table for the next class

safely using the required tools and organizing and explaining information resources for a specific task.

Obavezno

6

Drugi mogući odgovor:

time

scales

graduated cylinders

volume

weight

length

Obavezno

2

You have been injured in the lab (cut, burned, spilled a chemical, etc.) First you should -

apply first aid yourself

see a doctor after school

visit the school nurse after class

tell the teacher at once

safely using the required tools and organizing and explaining information resources for a specific task.

Obavezno

2

When getting glassware and equipment for an experiment, you should -

all of the above

examine all glassware to check for chips or cracks

read all directions carefully to know what equipment is needed

clean glassware that looks dirty

safely using the required tools and organizing and explaining information resources for a specific task.

Obavezno

2

Horseplay or practical joking in the lab are -

ok

ok as long as you are working alone

not dangerous

always against the rules

safely using the required tools and organizing and explaining information resources for a specific task.

Obavezno

3

Cleaning up the lab area is the job of -

old students

the new kids

the teacher

every student

Obavezno

3

when smelling a liquid you should -

pour it on the table

inhale it deeply

use a fan

waft the odor toward you

Obavezno

2

Which of the following is considered safety equipment?

all of the above

fire blanket

classroom door

fire extinguisher

Obavezno

2

You find a dirty test tube with a sticky substance on the outside. You get the substance on your hand, what do you do?

give the tube to your lab partner

wipe hands on apron

figure out what the substance is

alert the teacher and wash your hands

Obavezno

2

You are working with your lab partner, and they drop a beaker; it shatters, and a piece of glass gets into your eye. What should you have been wearing?

Contacts

glass vest

safety goggles

sun glasses

Obavezno

2

Where should you go immediately if a chemical has accidently splashed into your eyes?

To the eye/face wash station

To the school nurse

Back to your desk

To the safety shower

Obavezno

2

What should you do if someone in your lab group is not using safe laboratory practices while conducting an investigation?

Report it to the instructor so a potential accident can be prevented

Proceed with your laboratory investigation without their participation

Ignore them, and proceed with your laboratory investigation

Show them where the safety equipment is so they can use it if necessary

Obavezno

2

Where should chemical waste from your experiment be disposed of?

Wherever your instructor has indicated

Left on your laboratory table

Down the sink

In the trashcan

Obavezno

2

Before you begin a lab you should

Tie back long hair, remove long jewelry

All of the above

Remove all unnecessary items off the desk

Read all directions

Obavezno

15

List anything that you see dangerous in this picture and explain why.

SCI.7.1a

1

What is the first step in the Scientific Method ?

1

What is a hypothesis?

A probable answer to the scientific problem

The conclusion to the scientific experiment

A random guess

The difference between an independent and a dependent variable

1

What is a step-by-step process used to conduct an experiment or investigation called?

Data

Scientific Method

Independent Variable

Hypothesis

Use this prompt to answer questions 24 - 25

Susie wants to see how different colored light waves influence the growth of pea plants. She thinks that the plants with red light will grow the tallest. She puts 3 identical plants in each type of light. She then gives them the same amount of water and fertilizer every day for the length of the experiment. She uses the same lamps and keeps the plants at the same temperature. Three plants are placed under a lamp with a red light bulb. Three plants are placed under a lamp with a blue light bulb and the last three are placed under a lamp with a green light bulb. She records the height of each plant grew at the end of three months. Her data is below:

null

Obavezno

2

What was the problem Susie was trying to solve?

Obavezno

2

What was Susie's hypothesis?

Obavezno

8

Match the following Scientific Method Step to the correct description:

Stavka koja se može prevući		Odgovarajuća stavka
Scientific Question		A series of steps followed to solve problems
Scientific Method		Find out about the topic using books, the internet, experts, etc.
Report Conclusion		a procedure that is used to test a hypothesis
Data		Using our 5 senses to gather information about the world around us
Research		information gathered from observations; recorded using charts, graphs, tables, notes, pie charts
Observations		A statement that sums up what you learned from an experiment and states if the hypothesis is proven or disproven.
Experiment		Educated guess; predict the answer
Hypothesis		Something that is asked or solved using the scientific method