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Review Sec1 - term 1

Review Sec1 - term 1

Assessment

Presentation

Science

7th Grade

Practice Problem

Hard

Created by

Sapta Adiguna

Used 2+ times

FREE Resource

0 Slides • 25 Questions

1

Multiple Choice

What is the most appropriate attire when working in a laboratory?

1

T-shirt and short

2

Lab coat, safety goggles, and close-toe shoes

3

Long flowing dress or skirt

4

Sandals and flip flops

2

Multiple Choice

When should you wear gloves in the lab?

1

Only when handling dangerous chemicals

2

Only when using sharp objects

3

Always when working in the lab

4

Gloves are optional

3

Multiple Choice

Before conducting an experiment, it is essential to :

1

Read the procedure and potential hazard carefully

2

Check your phone for messages

3

Wear your lab coat inside out for good luck

4

work without supervision

4

Multiple Choice

Which of the following is true about eating or drinking in the lab?

1

It is allowed as long as you are careful not to spill

2

It is strictly prohibited at all times

3

It is allowed during non-experimental periods

4

It is allowed in designated areas of the lab

5

Multiple Choice

When should you begin cleaning up your lab station after an experiment?

1

After everyone else has finished their experiment

2

As soon as you are done with your experiment

3

At the end of the lab session, regardless of your experiment's status

4

At the disrection of the lab supervisor

6

Multiple Choice

Question image

What is the name of this lab equipment

1

Ring stand

2

Iron ring

3

Test tube rack

4

Test tube

7

Multiple Choice

Question image

What is the name of this lab equipment

1

Crucible tongs

2

Test tube holder

3

Spatula

4

Test tube brushes

8

Multiple Choice

Question image

What is the name of this lab equipment

1

Crucible

2

Test tube

3

Glass plate

4

Evaporating dish

9

Multiple Choice

Question image

What is the name of this lab equipment

1

Beaker

2

Erlenmeyer

3

Graduated cylinder

4

Florence flask

10

Multiple Choice

Question image

What is the function of this lab equipment

1

measurement of a specific volume of liquid with precision

2

pour substances and solutions in narrow-mouthed test tubes and conical flasks

3

calibrated to hold a precise volume of liquids at any precise temperature

4

a handful in delivering a known volume of any substance to other equipment

11

Multiple Choice

A student wants to take a particularly accurate measurement of the volume of the liquid in a measuring cylinder.

Which of the following procedures would make her measurement less accurate

1

Putting her eyes level with the height of the measurement to be taken

2

Reading the liquid level from the bottom of the meniscus

3

Using the largest measuring cylinder she could find

4

Using a set-square to make sure the cylinder is perfectly vertical

12

Multiple Choice

Question image

What is the diameter of a single sphere?

1

2.2 cm

2

2.0 cm

3

2.1 cm

4

2.3 cm

13

Multiple Choice

Question image

A student is timing the rate of cooling of a beaker of water. On a repeat investigation run, the student forgets to zero the stopwatch.

The reading on the stopwatch at the start and end times are shown.

Calculate how long it took the beaker to cool.

1

11 minutes

2

11 minutes and 8 seconds

3

12 minutes

4

12 minutes and 8 seconds

14

Multiple Choice

Identify the physical quantity that is not scalar

1

Speed

2

time

3

weight

4

energy

15

Multiple Choice

Identify the physical quantity that is scalar

1

distance

2

velocity

3

weight

4

displacement

16

Multiple Choice

A person wishes to roast a chicken. The Chicken requires 1 hour and 20 minutes in the oven to be properly cooked.

The oven must be switched on 10 minutes before any food is put in, to pre-heat and reach the correct temperature for cooking

The chicken needs to be ready at 4:30 pm. At what time must the oven be switched on?

1

2:10 pm

2

3:10 pm

3

2:00 pm

4

3:00 pm

17

Multiple Choice

Question image

Three blocks are placed into three measuring cylinders. These are shown in the picture.

Which arrangement shows the blocks in order of increasing volume?

1

X - Y - Z

2

Y - X - Z

3

Z - Y - X

4

Z - X - Y

18

Multiple Choice

What is the speed of a bowling ball which travels down a 30 m lane in 2.5 seconds?

1

75 miles per hour

2

75 meters per second

3

12 meters per second

4

12 miles per hour

19

Multiple Choice

Which distance-time graph shows an object moving with constant speed

1

Y - X - Z

2

Z - Y - X

3

Z - X - Y

4

20

Multiple Select

Which speed-time graph shows an object moving with constant speed

1
2
3
4

21

Multiple Select

Question image

In which section of the graph is the most distance covered?

1

A

2

B

3

C

4

D

22

Multiple Choice

A BASE jumper, initially at rest, falls from the top of El Capitan in Yosemite National Park. Air resistance is ignored.

Which graph represents their motion as they approach terminal velocity?

1
2
3
4

23

Multiple Choice

A BASE jumper, initially at rest, falls from the top of El Capitan in Yosemite National Park. Air resistance is NOT ignored.

Which graph represents their motion as they approach terminal velocity?

1
2
3
4

24

Multiple Choice

A car travels along a clear 10.0 km section of motorway in 6.0 minutes.

It then drives through 3.0 km of roadworks in 3.0 minutes.

Determine the average speed for the journey.

1

1.00 km/minute

2

1.67 km/minute

3

2.67 km/minute

4

1.44 km/minute

25

Multiple Choice

During a Go Karting race, a car does 8 laps of a 300 m course. It takes 4.0 minutes to complete the race.

What was the average speed of the Go Kart?

1

75 m/s

2

10 m/s

3

1.25 m/s

4

600 m/s

What is the most appropriate attire when working in a laboratory?

1

T-shirt and short

2

Lab coat, safety goggles, and close-toe shoes

3

Long flowing dress or skirt

4

Sandals and flip flops

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MULTIPLE CHOICE