NEW
Font size
WorksheetsScience review CBA 1
Total questions: 20
Worksheet time: 15mins
Which of the following is an important safety practice during a lab investigation of thermal (heat) energy?
Making sure your hands are dry when plugging in a sound recorder
Using insulated gloves when handling heated beakers
Remembering not to look directly at the Sun while investigating shadows
Informing the teacher of a broken graduated cylinder
The picture below shows the masses of a penny, a pencil, an eraser, and a ruler, as they each sit on a balance.
Which object has the largest mass?
Ruler
Penny
Eraser
Pencil
Eva and Morgan spent the day picking berries. Eva picked blueberries and Morgan picked raspberries. The picture below shows a balance on which Eva and Morgan placed their berries.Which of the following is shown in the picture?
Morgan's raspberries have greater volume.
Morgan's raspberries have greater mass.
Eva's blueberries have greater volume.
Eva's blueberries have greater mass.
A student places an ice cube and a glass marble in a container of water. Which statement best explains what will happen to the ice cube and the glass marble?
The ice cube will sink in water, and the glass marble will float in water.
The ice cube will float in water, and the glass marble will sink in water.
The ice cube and the glass marble will both float in water.
The ice cube and the glass marble will both sink in water.
What is the mass of the object on the balance?
392g
932g
203g
293g
Which substance best completes the table above?
Rainwater
Clouds
Vapor
Brick
Which of the above items is approximately 4.5 centimeters
long?
Battery
Crayon
Earring
Scissors
Which of the four blocks shown above has the greatest
mass?
Block A
Block B
Block C
Block D
A student observed several samples of materials mixed together in glass beakers. Which of the following samples is a solution?
Soil mixed with pebbles
Sugar stirred into hot tea
Sand combined with water
A collection metal and wooden buttons
A student organized a list of food items he wanted to bring to his class picnic. Each of the items is a type of mixture. The items are listed below:
Trail Mix
Lemonade
Assorted Nuts
Green Salad
Which of the food items is a solution?
Trail Mix
Lemonade
Assorted Nuts
Green Salad
All of the items below are mixtures.
Which of the following is true of each mixture?
Each mixture is also a solution.
Each mixture has a part that dissolves.
Each mixture can be separated physically.
Each mixture has the same physical properties.
Lenny and Crystal made the table below to show the characteristics, or qualties, of six different substances.
Which of the following combinations of substances from the chart would create a solution if mixed with water?
Sand and Salt
Sugar and Vinegar
Cooking oil and Sugar
Sugar and filings
Olga is playing at the beach. She takes a bucket of sand and fills it with some water so she can make sand castles. What did Olga create in her bucket?
A mineral
A solution
A mixture
A conductor
Reagan adds sugar to 50 ml of water. The new substance pours like water and tastes like sugar. What has Reagan created?
a chemical change
a new element
a solution
a solid
Ali wants to make lemonade on a hot summer day. Before adding lemon juice, he mixes hot water, ice, and sugar in a large container. What did Ali make?
A compound
An element
A solution
A suspension
A container has a mixture of salt and sand in it. How will adding water to the container help to separate the salt and sand?
Salt will not dissolve in water, and sand will.
Salt will sink, and sand will float to the top.
Salt will dissolve in water, and sand will not.
Salt will float to the top, and sand will sink.
Maurice put some dirt and water into a jar. After shaking the jar, the contents turned brown. He set the jar on the table and checked it every five minutes for twenty minutes. The diagram below shows what he saw.Which of the following did Maurice make with the dirt and water?
A compound
An element
A mixture
A solution
Kiera was eating a snack made of peanuts, raisins, and chocolate chips. Every handful she gets may be a little different from the one before. Which term best describes this snack?
A compound
An element
A mixture
A solution
The picture shows a salad made with four ingredients.The salad is an example of a —
A mixture of solids
Solution of solids
Mixture of liquids
Solution of liquids
The diagram models an experiment in which sugar and sand were each added to identical beakers of water.Which of the following best describes the results of the experiment?
The sugar made a solution with the water and the sand made a mixture.
The sugar made a mixture with the water and the sand made a solution.
he sugar and sand both made solutions with the water.
The sugar and sand both made mixtures with the water.
