Which two set-ups should she use for her experiment?
Anonymous Quiz
11%
P and R
83%
Q and S
3%
P and Q
3%
Q and R
Which two parts of the reproduction system produce cells that fuse during fertilization?
Anonymous Quiz
5%
A and C
8%
A and D
85%
B and C
3%
B and D
Which of the following is an example of a physical change?
Anonymous Quiz
19%
Burning of paper
53%
Melting of ice
14%
Rusting of iron
14%
Cooking of an egg
❤1
Which of the following processes releases oxygen into the atmosphere?
Anonymous Quiz
67%
Photosynthesis
24%
Respiration
7%
Combustion
2%
Decomposition
Which statement is correct?
Anonymous Quiz
21%
Pollination takes place at F.
50%
The flower develops into a fruit at G.
24%
Sunlight is needed for germination at E.
5%
The seeds of the fruit are dispersed at F.
The water cycle on Earth can take place continuously because water_________.
A) Melts at 0°C and boils at 100°C
B) Can change from one state to another
C) Has volume and cannot be compressed
D) Is important for the survival of living things
A) Melts at 0°C and boils at 100°C
B) Can change from one state to another
C) Has volume and cannot be compressed
D) Is important for the survival of living things
Which is the correct answer?
Anonymous Quiz
39%
B only
17%
D only
22%
A, B and C only
22%
A, B, C and D
The crumpled paper is observed to reach the ground first.
Which explanation is correct?
Which explanation is correct?
Anonymous Quiz
12%
It has a greater mass.
26%
Its weight pulls it down faster.
21%
It has less gravitational force acting on it.
40%
There is less friction between the paper and the air.
Which part of a plant is responsible for making food?
Anonymous Quiz
2%
Roots
4%
Stem
91%
Leaves
2%
Flowers
Which organ in the human body pumps blood to the rest of the body?
Anonymous Quiz
2%
Brain
10%
Lungs
88%
Heart
0%
Liver
Which gas do plants take in for photosynthesis?
Anonymous Quiz
15%
Oxygen
83%
Carbon dioxide
2%
Nitrogen
0%
Hydrogen
Moth caterpillars feed on the leaves of trees, causing the trees to die over time. Some ways of getting rid of the moth caterpillar are spraying eco-friendly pesticides and cutting or burning down of the affected trees.
Based on the information provided, which of the following outcomes are likely to result over time?
A Loss of habitats
B Depletion of ozone layer
C Loss of aquatic life in the nearby rivers
Based on the information provided, which of the following outcomes are likely to result over time?
A Loss of habitats
B Depletion of ozone layer
C Loss of aquatic life in the nearby rivers
❤1
Which is the correct answer?
Anonymous Quiz
34%
A and B only
28%
A and C only
6%
B and C only
31%
A, B and C
Irene released a wooden block from the top of a ramp as shown. The wooden block slid down the ramp and moved along the floor stopping at point S.
Which of the following statement are true about the wooden block?
A) The wooden block has the most potential energy at P.
B) The wooden block only had kinetic energy at Q and R.
C) The wooden block has more potential energy at R than at Q.
D) If lubricant is applied on the floor, the wooden block would slide beyond S.
Which of the following statement are true about the wooden block?
A) The wooden block has the most potential energy at P.
B) The wooden block only had kinetic energy at Q and R.
C) The wooden block has more potential energy at R than at Q.
D) If lubricant is applied on the floor, the wooden block would slide beyond S.
Which is the correct answer?
Anonymous Quiz
21%
A and B only
12%
C and D only
48%
A and D only
18%
A, B, C and D