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WorksheetsQ2 CSA Review Quizizz
Total questions: 35
Worksheet time: 18mins
What is an independent variable?
The variable that the scientist changes
The variable that you measure
The variable that stays the same
The variable that you compare your results to
What is a dependent variable?
The variable that the scientist changes
The variable that you measure
The variable that stays the same
The variable that you compare your results to
What is a constant?
The variable that the scientist changes
The variable that you measure
The variable that stays the same
The variable that you compare your results to
What is a control?
The variable that the scientist changes
The variable that you measure
The variable that stays the same
The variable that you compare your results to
How do you get the average of something?
Add all the numbers up
Multiply all of the numbers
Add all the numbers up and divide by how many numbers there are
Divide all numbers together
On what axis does the independent variable go?
X-Axis
Y-Axis
On what axis does the dependent variable go?
X-Axis
Y-Axis
What type of reaction releases energy or heat into the environment?
Endothermic
Neutralization
Exothermic
Decomposition
If you move a box 20 m with a force of 5 N, how much work did you do?
4 J
100 J
100 W
4 W
If you need to move a box into a moving truck, what simple machine helps you get it into the truck the easiest way? (Hint: Use the ramp into the truck)
Screw
Wheel and Axle
Lever
Inclined Plane
Which is an example of physical change?
Water changing into steam
Rust
Baking a cake
Burning wood
Which of Newton's Laws explains the following? If you are riding on a bus and it suddenly starts moving, you will move backwards in your seat.
1st Law
2nd Law
3rd Law
4th Law
Which of the following is an example of qualitative data?
20 m
Yellow bug
30 feet
100 J
Which of the following is an example of quantitative data?
Lots of bubbles
Yellow bug
Blue hair
100 J
What is an appropriate title for an experiment?
If I change the amount of baking soda, then it will create a large explosion.
What amount of baking soda creates the largest explosion?
Volcanic Explosion
The Effect of Baking Soda on the Height of an Explosion
When a chemical change or reaction occurs, then it will always create a -
Rainbow
New substance
Bubbles
A color change
Which of the following is a chemical change?
Cutting bread
Water boiling
Rust forming
Crumpling paper
What is an example of a physical property?
State of Matter
Combustibility
Reactivity
Acidity
Which of the following items will float in water (1.0)?
Penny
(8.3)
Milk (1.03)
Ice (0.92)
Gold (19.3)
Find the density of a 20 g ball that has a volume of 10 mL.
2 g/mL
200 g/mL
50 g/mL
5 g/mL
Acids release what item into their substance?
OH-
H+
Bases release what item into their substance?
OH-
H+
When water condenses after evaporating, this is an example of -
Physical property
Physical change
Chemical property
Chemical change
The data table below shows the speed of each car recorded at each second. Based on the data, which car(s) accelerated?
A
A and C
B and D
All of them
"A person is on a raft. The person exerts a force on the raft, causing the raft to move. The person also moves in the opposite direction."
Which statement best explains why the person and the raft moved in opposite directions?
Second Law
Action and Reaction Forces
Person wanted to move the raft
Force is the product of mass and acceleration
The Law of Inertia states that an object in motion will stay in motion, and an object at rest will stay at rest unless acted upon by an unbalanced force. Which law is this describing?
1st Law
2nd Law
3rd Law
4th Law
Calculate the net force and direction the object will move.
The net force is 60 N and the box will move to the right.
The net force is 100 N and the box will move to the right.
The net force is 80 N and the box will move to the right.
The net force is 60 N and the box will move to the left.
A car travels 10 miles East in 30 minutes. What is the car’s velocity in miles per hour?
20 miles per hour East
3 miles per hour East
0.333 miles per hour East
+ or - 20 miles per hour depending on direction
If an acid and a base combine, then it is a -
Exothermic Reaction
Endothermic Reaction
Neutralization Reaction
Decomposition Reaction
What is something that is able to allow heat and electricity to flow through it easily?
Conductor
Insulator
Semi-conductor
What is something that is not able to allow heat and electricity to flow through it easily?
Conductor
Insulator
Semi-conductor
What is something that is in between a conductor and an insulator?
Conductor
Insulator
Semi-conductor
When a chemical change or reaction occurs, what can happen?
Bubbles
Precipitate (solid) forms
New substance
All of the above
For an airplane to stay in flight and keep moving forward, what must happen with the forces?
Weight must overcome lift
Drag must overcome thrust
Thrust must overcome drag
Thrust and drag must be equal
If a car is going 35 meters in 7 seconds, how fast is it going?
5 mph
5 m/s
245 mph
245 m/s
